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Tsum

R.Br bark of ap.tr. 15069 ebéneus Ag. ebony patches all sea. Bk rocks rotten wood Dillw. conf. t. 68. Conf. rotten wood Dillw. conf. t. 88. Conf. rotten wood Dillw.conf.78. t. D. Conf Fl. dan. t. 899. f. 1 Lyngb.hydrop. dan. t.57 Eng. bot. t. 1609 E. b. t. 702. Byssus nigra 2276. TRENTEPOH'LIA. Ag. TRENTEPOHLIA.

Sp. 3-4. 15070 purpúrea Ag. purple patches all sea. Pu sea coa., roc.

Eng. bot. t. 192. Byssus 15071 aúrea Ag. golden patches all sea. Y roc. & sub.w. Eng. bot. t. 212. Byssus ẞ ilicicola Ag.

Holly branch. patc. spring Y holly bark En.bot. t.1639. Conferva 15072 pulchélla Ag. pretty downy tufts spring R.Br on Confervæ B chalýbea Ag. iron tufts sept. D.Ol fresh water Eng. bot. t. 2585. C.nana Eng. bot. t. 1996 2277. SCYTONEMA. Ag. SCYTONEMA.

Sp. 5-17.- 15073 compáctum Ag. compact tufts 1 sum. 15074 byssoídeum Ag. 15075 myochróus Ag.

ẞ ocellátum Ag. inundátum Ag. byssus-like tufts 1 sum.

B rocks Bksh mountains Lyngb.hydrop.dan. t. 28 Dillen. t. 1. f. 18 mouse-skin slimy coat 1 sum.

D.Br rocks mottled slimy coat 1 sum.

D.Br aquat. plants Eng. bot. t. 2530 inundated slimy coat 1 sum.

D.Br inund. places Eng. bot. t. 1555 15076 Bángii Lyngb. 15077 Sowerbyánum Ag. 15078 comoídes Ag. spiral compact tufts 1 sum.

Ærug subalp.banks Lyngb.hydrop.dan. t. 28 Sowerby's short down sum.

Ol. Br ocean E. b. t. 2219. C.mirabilis tufted broad patches oct.

Rs.br ocean Eng. bot. t. 1700. Conf.

Sp. 1-3. bushy tufts 15080 répens Ag. 15081 umbrósum Ag. 15082 velutínum Ag. 15083 frágrans Ag. 15084 cryptárum Ag. 15085 Orthótrichi Ag. 15086 muscícola Ag. 2278. STIGONE'MA. Ag. STIGONEMA. 15079 atrovirens Ag. dark green 2279. PROTONEMA, Ag. PROTONEMA. creeping patches shady velvety patches patches BEL fragrant patches patches dense tufts sum. G sum.

G nov.

G nov.

G vault sum. G sum. Br moss minute down april Br on mosses sum. Bk.G rocks Sp. 7-10. pots in hoth.

Dillw. conf. t. 25. Conf. on the earth Dillw. conf. t. 61. Conf. on the earth Dillw. conf. t. 77. Conf. on the earth Eng. bot. t. 1556. Conf.

Eng. bot. t. 2588. Conf.

E. b. t. 1638. C.muscicola caverns on Orthotr.

E.b. t.1701. Con.castanea 2280. HYGROCRO CIS. Ag. HYGROCROCIS.

Sp. 7-9. 15087 barýtica Ag.

Barytes fine tufts all sea. Tr sol.of mur. B. 15088 atraménti Ag. ink fine tufts all sea. Wsh surf. of ink Lyngb. hydroph. t. 57 15089 typhlodérina Ag.

Gum Arabic fine tufts all sea. Ol in sol. g.arab.

Dillw. conf. t. 83. Conf. 15090 pállida Ag. pallid fine tufts all sea. Y sol. of ochre Dillw.conf. t. 78. Conf. 15091 Rósæ Ag.

Rose-water fine tufts Tall sea. Tr rose water 15092 sanguínea Ag. blood-colored fine tufts all sea. C 15093 víni Ag.

Wine fine tufts all sea. Y isinglass size in Mad. wine 2281. LEPTOMITUS. Ag. LEPTOMITUS.

Sp. 4-15. 15094 minutíssimus Ag. very minute little tufts 15095 lácteus Ag. milky patches Tall sea. Tr wint. Tr 15060 15063 on mar. algæ pools 15064 15067 Dillw. conf. t. 79. Conf. 15069 15059 15062 15071 15078 History, Use, Propagation, Culture, 2273. Byssocladium. From byssus, a kind of fungus, and κλaδoς, a branch; the filamentous branches of this plant being very similar to those of Byssus. These plants grow in places occasionally overflowed with water. . 2274. Mycinema. From μuκης, a kind of minute fungus, and vημa, a thread ; in allusion to the resemblance of the filaments to those of some Fungi. 2275. Chroolepus. So called on account of the change which is undergone by the exterior membrane, which changes to powder; from χωooς, skin, and λέπω, to decorticate. 2276. Trentepohlia. So named, in honor of an obscure German botanist. This is an ill-defined genus, which is much in need of reformation. 2277. Scytonema. From σκuτoς, leather, and vημa, a filament; in allusion to the coriaceous nature of the filamentous frond. The species grow chiefly on stones in inundated places, and are rarely found in salt water. ORD. VII. TRIBE III.

ALGÆ CONFERVOIDEÆ.

CONFERVOIDEE. 15059 Filaments appressed very minute short radiant cobweb-like branched sinuous wavy 15060 Filam. thin entangled in a cobweb-like membr. Branches scatter. rem. simp. Articulat. of various lengths 15061 Filam. decumb. long membran. equal branched entangled in a soft layer, Articulat. thrice as long as broad 15062 Filaments much branched rigid erect entangled in a nearly solid mass, Articulat. 4 times as long as broad 15063 Filam, branch. ascend, very short entangled in a dense unif. crust, Articulat. about as long again as broad 15064 Filam. branch . dichotom, creeping very minute having caps.at end and ærugin. Dissepiments nearly obsol 15065 Filaments cæspitose erect very short dichotomous, Articulations half as long again as broad 15066 Filaments cæspitose branched short erect, Branches spreading stiffish, Articulations as broad as long 15067 Filaments erect fascicled alternately branched rigid, Articulations tumid as broad as long 15068 Filam . cæspit. rig. short ascend. curved densely branched, Artic. as broad as long by a line except granules 15069 Filaments cæspitose branched erect rigid somewhat cartilaginous obtuse, Articulations as broad as long 15070 Filam, dichotomous cæspitose entangled very minute, Artic. about twice as long as broad 15071 Filam. flexu. collect. in a dense soft cushion-like tuft, Branch. long spread. rig. Artic. twice as long as broad ẞ Much smaller, Articulations as broad as long 15072 Filaments virgate cæspitose, Branches straight, Artic. twice as long as broad, Thecæ racemose 15073 Filaments decumbent rigid flexuose branched entangled in a crustaceous layer, Branches appressed 15074 Filaments simple erect very short flexuose-crisp entangled in a black layer 15075 Tuft with olive-yellow filaments, Branches double 1-sided 15076 Filaments simple erect flexuose spirally twisted into pointed masses greenish above brownish below 15077 Tuft loose, Filaments netted branched, Branches divaricating 15078 Tuft loose, Filaments flexuose, Branches solitary remote ascending 15079 Filaments rigid branched, Branches slender, Granules disposed in rings 15080 Runner creeping transparent emitting round green erect branches, Artic. cylindrical, Joints obsolete 15081 Layer velvety, Filaments erect obtuse clustered brittle, Articulations gibbous 15082 Layer velvety, Runner creeping rooting sending out erect obtuse branches, Artic. cylind Joints obsolete 15083 Layer velvety, Filaments erect blunt rigid, Branches alternate, Articulations oval twice as long as broad 15084 Filaments dichotomous, Branches divaricating acuminate, Artic. thrice as long as broad 15085 Filaments olivaceous branched blunt erect in a cushion-like tuft, Artic. about as broad as long 15086 Filaments branched, Branches alternate divaricating subulate, Artic. three times as long as broad 15087 Tuft globose, Filaments very fine like cobweb hyaline much entangled without joints wavy branched 15088 Filam. dichot. branch.very min. decumb. very densely entang. in a whit. layer, Artic. twice as long as broad 15089 Filam. somewhat branched densely entangled in an olive-green pellicle, Artic, as broad as long 15090 Filam. dichot. curved flexuose entangled in a coriaceous gelatin. pellicle, Axillæ round, Artic. very long 15091 Filam. hyali. somew. branch . entang. cobw.-like entang. in a pucker. cloud-like memb. or a comp. gelatine 15092 Filam. branched densely entangled in a gelatin. pellicle, Branches divaric. Artic. half as long again as broad 15093 Filaments hyaline entangled branched, Branches tapered acute, Artic. as long as broad 15094 Filam. somew. branched minute hyaline, Branches scattered forked bluntish, Joints obsol. Artic. various * Growing on vegetables. 15095 Filam, at every joint branched and clustered in a shapeless gelatinous mass, Articulations very long 15077 15075 S 15085 15079 15082 15086 15089 15095 15090 and Miscellaneous Particulars. 2278. Stigonema. So named in allusion to the regular annular dots of the filaments ; from σiγωv, dotted, and vημa, a thread. This genus is similar in habit to the Lichens. The color is opaque and brown; the filaments are branched with spines, and marked internally with distinct dots. 2279. Protonema. It is uncertain whether this genus is not rather the young state of germinating mosses; it is named in allusion to the simplicity of its structure, from πρoτoς, first, or primary, and vημa, a thread. 2280. Hygrocrocis. From ὑγρoς, any thing belonging to water, and zeozis, a little tuft. These plants are found in chemical solutions of vegetable matter, as in ink, &c. 2281. Leptomitus. Substances floating in the water, and produced by animal matter in a state of decay. They consist of exceedingly fine intertangled fiaments, whence the name, λεκτoς, slender, and μiτoς, a thread.

CRYPTOGAMIA.

CLASS XXIV. 15096 nánus Ag. dwarf like down T aut. G rotten algæ Dillw. conf. t. 30. Conf. 15097 clavátus Ag. clavate minute Taut. Tr dead fishes Lyngb. hydroph. t. 22 2282. MESOGLOIA. Ag. MESOGLOIA.

Sp. 5-8. 15098 multífida Ag. multifid tufts 3 aut. R 15099 Hudsóni Ag.

Hudson's branched 6 aut. R ocean Germ. ocean Lyn.hy. t.1669.Chordar.

E. b. t. 1627. Ulva rubra 15100 coccínea Ag. scarlet bushy 4 sum. R ocean Eng. bot. t. 2466 Rivularia verticillata E. B. 15101 capilláris Ag. capillary tutts 3 sum.

R ocean 15102 vermiculáris Ag. vermicular bushy 5 august Brsh ocean Lyngb. hydroph. t. 12 Lyngb. hydroph. t. 65 B coriácea Ag. leathery bushy 5 august Brsh ocean Eng. bot. t. 1819 Rivularia vermiculata E. B. 2283. BATRACHOSPERMUM. Ag. BATRACHOSPERMUM. Sp. 2-6. 15103 vágum Ag. turfy fine tufts 1½ may Bsh ditches Lyngb. hydroph. t. 64 B tenuis'simum Ag. very slender fine tufts 1½ may D.Ol ditches E. bot. t. 690. Conf. atra 15104 monilifórme Ag. necklace fine tufts 1 sum.

G fresh waters a stagnále Ag. pool fine tufts 1 sum.

G pools Dillenius, t. 7. f. 44 ẞ simplicius Ag. simple fine tufts 1 sum. B pools Dillenius, t. 7. f. 45 る purpuráscens Ag. purple fine tufts 1 sum. Pk sea shore Dillenius, t. 7. f. 40 detérsum Ag. knotted fine tufts 2284. DRAPARNALDIA. Ag. Draparnaldia. 15105 ténuis Ag.

DRAPARNALDIA. fine fine tufts 15106 plumósa Ag. feathery broad tufts 15107 glomeráta Ag. heaped gelatin, tufts 2285. OSCILLATO'RIA. Ag. OSCILLATORIA. 15108 tenuíssima Ag. very fine patches 15109 autumnális Ag. autumnal slimy mass.

B vagináta Ag. 15110 nígra Ag. black 15111 Córium Ag. 15112 subfúsca Ag. 15113 spléndida Grev. splendid 15114 ténuis Ag. fine 15115 limósa Ag. mud 15116 cyánea Ag. blue 15117 decórticans Ag. unbarking thin flakes sheathed leather-like brownish slimy mass. floating tufts broad layer tufts thin masses slippery layer floating mass. thin film 15118 ochrácea Lyngb. ochre-colored gelat. masses 2286. CAʼLOTHRIX. Ag. CALOTHRIX. 15119 nívea Ag. 15120 confervícola Ag. 15121 scopulórum Ag. all sea. Dl.G pools 6 sum.

Bt. G rivulets 4 sp. su. Bt. G pools Sp. 11-47. 1½ sum.

Dill.con. t.11. Conf. atra Dill.con.t.67.C.protensa E. bot. t. 2087. Č.lubrica E. b. t. 1746. C. mutabilis Pa. G warm springs Eng. bot. t. 2584. Conf.

Ol.G on the earth Ol. G on the earth Dillw. conf. t. 99 D.G still waters Dil.co.t. 64. O. fontinali spring Ysh rocks in wat. 1 all sea. Br.V stones in riv. 1½ all sea. Pa.B wat. in hoth. spring Pa.G still waters Dill. conf. t. 20. C.limosa 6 all sea. Ærug mud bot. po. all sea. Pa. Y Fl. dan. t. 1549. f. 2 Dillw. conf. t. 26 church walls E. bot. t. 2578. Conferva damp wood pools sulph. sprin. Dill. conf. t. C. Conferva marine algæ E. bot. t. 2576.

Conferva Pa. G marine algæ E. bot. t. 2171. Conferva Y.G roc. on sea c. Dillw. conf.

Ærug on H.fluitans Dill. conf. t.96. Conferva B.G lakes all sea. B ... march B.G all sea. Och Sp. 7-12. snowy fine tufts conferva minute tufts sum.

Gla rock patches T2 sum. 15122 fasciculáta Ag. fascicled tufts sum. 15123 mirábilis Ag. wonderful little patches sum. 15125 lanáta Ag. 15124 distórta Ag. fuscéscens Ag. 2287. LYNGBYA. Ag. distorted woolly floating patc. 1 sum. floating patc.

E. bot. t. 2577. Conferva sum. fulvous floating patc. 1½ sum.

Taw pools E.bot. t. 2577. fig.sinistr.

LYNGBYA.

Sp. 1-7. *15126 murális Ag. wall patch all sea. G damp earth Eng. bot. t. 1554 2288. BAN GIA. Ag.

BANGIA. 15127 lamináriæ Ag.

Laminaria broad tufts sum.

Sp. 2-5.

G on L. escul. 15128 atropurpúrea Ag. dark-purple silky tufts ẞ fúsco-purpurea Ag. brown-purple silky tufts 15096 2 sum. 2 sum. 15103 D. Pu marine rocks Br.pu sea coast Lyngb.hydrop.dan. t. 24 Dill. con. t. 103. Conferva Dill. conf. t. 22. Conferva 15105 G springs on st. 1 sum. D.Ol pools Sp. 3-6. sum. 1 sum.

Dill. conf. t.62. Conferva 15099 -15100 15104 β 15017 History, Use, Propagation, Culture, 2282. Mesogloia. From μεσoς, the middle, and γλoioς, viscid : the spines of little branches radiating from a common centre, and forming what appears to be a solid mass. These plants were formerly referred to Chætophora, from which they differ in the want of any fixed gelatine. 2283. Batrachospermum. From βaτρaχoς, a frog, and σπερμη. So called in allusion to the places in which the species grow; they are mostly found in marshes, less frequently in the sea. 2284. Draparnaldia. James Philip Ralph Draparnaud, was a French botanist, who wrote some memoirs on the subject of botany in the beginning of this century. He is also known for his acquaintance with freshwater Confervæ. 2285. Oscillatoria. The singular motion of these curious plants has suggested their generic name. The oscillation of the filaments seems almost of an animal nature, although it frequently arises from mechanical ORD. VII. TRIBE III.

ALGE CONFERVOIDEÆ. 15096 Filam. branched very minute, Branches and branchlets acuminate, Joints pellucid, Artic. cylindrical ** Growing on animals. 15097 Filaments simple hyaline clavate at end 15098 Frond dichotomous, Axillæ rounded: upper spreading 15099 Frond virgate with all the branches divaricating 15100 Frond somewhat moniliform virgate filiform, Branches scattered obtuse spreading 15101 Frond much branched, Branchlets tapering at each end divaricating 15102 Frond yellowish-brown, Branches divaricating 15103 Frond dichotomous cylindrical equal, Branches thickened at end 3 Frond setaceous minute 15104 Frond moniliform much-branched, Branches rather acute, Cauline whorls nearly distinct globose a Filaments thick, Whorls of stem confluent: those of the branches distinct ẞ Thinner bluish with distant whorls 15105 Branches simple clustered, First filament nearly homogeneous 15106 Pencils of branches lanceolate acute erect 15107 Pencils of branches ovate blunt spreading 15108 Filaments hyaline very fine tufted entangled in nearly parallel lines 15109 Filaments rigid straight entangled in a gelatinous black layer which has short rays ẞ Filaments twisted in bundles 15110 Filaments rigid straight entangled in a gelatinous black ayer with long rays 15111 Filaments stiffish curved entangled in a compact somewhat coriaceous layer 15112 Filaments transparent rigid straight entangled in a compact brownish-violet layer with short rays 15113 Filaments very minute densely entangled: transverse striæ wholly invisible 15114 Filaments stiffish straight entangled in a gelatinous green layer with short rays 15115 Filaments rigid rapidly oscillating straight entangled in a gelatinous layer with long rays 15116 Filaments covered with a deciduous crust entangled in a blue layer 15117 Filaments very slender flexuose densely interwoven into thin masses 15118 Filaments very slender simple greenish lying in a thick very tender fragile ochraceous stratum 15119 Filaments very fine rigid snow-white packed in a dull-yellow tuft 15120 Filaments glaucous erect minute subulate fascicled at base separate at end 15121 Filaments curved-wavy erect minute entangled in a dense layer 15122 Filaments stiffish erect acuminate simple at the beginning finally branched 15123 Filaments curved variously united entangled in a lax globule 15124 Filaments mucous stiffish erect branched tufted 15125 Filaments stiffish erect branched packed in a dark-green tuft 15126 Filaments stiffish curved wavy thickish with lax rings 15127 Filaments tufted fastigiate equal, Bands approximating in pairs many-dotted 15128 Filaments dark-purple straight, Bands 5-dotted 15119 15108 15123 15110 15114 15124 15120 15128 15116 15126 and Miscellaneous Particulars. causes, as from the elasticity of the filaments, from the motion of minute animalcula. Agardh, however, declares that O. curviceps has naturally the motion of an animal, but of a creeping not oscillatory nature. 2286. Calothrix. From zaλoς, beautiful, and θρiξ, hair, in allusion to the beauty of the entangled filaments; the appear as if branched, by the singular juxta-position of small filaments. latter appear as if branched, by the singular juxta-position of small filaments. 2287. Lyngbya. H. C. Lyngbye, a Danish botanist, is the author of an excellent work on Algæ, which he calls Hydrophytologiæ Danicæ Tentamen, published at Copenhagen, in 1819, in one volume quarto. This genus differs from Oscillatoria in the absence of a mucous matrix, and from Calothrix in being curved and quite distinct. In habit it approaches Conferva. 2288. Bangia. So called in honor of Christian Frederick Bang, the author of a dissertation upon the plants of sacred history, published in 1767. 2289. ZYGNEMA. Ag. ZYGNEMA. 15129 cruciátum Ag. crossed entangl. mass.

ẞ longi-articulatum Ag. long jointed entangl. mass. y brevi-articulátum Ag. short jointed 15130 decussátum Ag. decussate entangl. mass. floating tufts G 15131 bícolor Ag. two-colored floating tufts 15132 pectinátum Ag. pectinate patches 3 sum. 14 march G G 15133 curvátum Ag. curved patches 1 march G 15134 quinínum Ag. quinate large masses sp. su. 15135 decimínum Ag. decimate large masses sum. 15136 nítidum Ag. shining float. patches 2 sum. 15137 punctátum Ag. dotted floating cloud 2290. MOUGEOTIA. Ag. MOUGEOTIA.

Sp. 2-6. 15138 genufléxa Ag. knee-jointed entangl. mass. april Y.G ditches 15139 cæruléscens Ag. blueish pale patches 1 july Pu. B ditches 2291. HYDRODICTYON. Ag. HYDRODICTYON.

Sp. 1-2. 15140 utriculátum Ag. bladdery floating web 6 jn. sep. G CRYPTOGAMIA.

Sp. 9-21. april Y.G ditches april Y.G ditches april Ysh rivulets ditches 14 sum. sto. in rivul. rivulets rivulets Dl.G still waters Bt. G still waters Bt. G ditches sum. Bt. G pools CLASS XXIV.

E.b.t.2463. C. bipunctata Dillw. conf. t. 2. f. A Dillw. conf. t. 2. f. B Dillw. conf. No. 39 E. b. t. 2288. Conferva E.b.t.2463.f.B. Conferva E.b.t.2463. A. C. stictica Vauch. conf. t. 5. f. 1 Di.co.t.4.f. A.B.C.nitida.

E. b. t. 1656. C. spiralis Dill.conf.t.51. Conferva Dill. conf. t. 6. Conferva E. b. t. 2457. Conferva riv. & lakes E.b.t.1687. C. reticulata 2292. CONFER'VA. Ag. CONFERVA.

Sp. 52-130. 15141 ericetórum Roth. heath fine web 15142 alpína Bory alpine fine web sp. su. Br.pu dry bogs. sp. su. Br mountains 15143 fasciáta Dillw. banded fine web 15144 bombycína Ag. silky floating cloud sum.

G 15145 floccósa Ag. floccose float. masses 1½ spring G 15146 mucósa Mert. mucous float. masses 15147 zonáta Web. & Mohr zoned long tuft 15148 dissíliens Dillw. elastic floating tufts 15149 impléxa Dillw. entangled broad mat 3 sum. G 15150 tumídula E. B. 15151 vesicáta Ag. tumid fine film 1 march G pools blistered float. masses 6 march G ditches 15157 crássa Ag.

B fuscéscens Ag. 15152 rivuláris L.

ẞan'glica Ag. 15153 capilláris Ag. 15154 línum Roth. 15155 intricáta Grev. 15156 tortuósa Dillw. 15158 melagónium Web. 15159 æ'rea Dillw. 15160 Youngána Dillw. 15162 collábens Ag. 15163 flácca Dillw. brownish float. masses 6 march G ditches spring Pu.br dit. on carr. 1 spring G 3 all sea. G 3 sum. pools & dit. Dill.con.t.60. C.sordida ditches bogs sto. in rivul. ditches G sea-shore E. b. t. 2303. C. sordida Dill.conf. t. B. Conferva Dill. conf.t.47. C. lucens Eng. bot. t. 2461 E. b. t. 2309. C. implexa E. b. t. 1670. C. inflata E. b.t.2304. C. alternata Dillw. conf. t. B.

E. b. t. 1553. Conferva Lyngb. hydrop.dan.t.47 Dill.conf. t. B. Conferva rivulet long tufts 24 sp. su. G rivers Eng. bot. t. 1654 English long tufts 24 sp. su. G ditches Dillw. conf. t. 79 capillary long tufts Flax long tufts 14141 sp. su. G ditches Dillenius, t. 5. f. 25. B. sp. su. G ocean Lyngb. hydroph. t. 50 matted small tufts spring G sea shore tortuous crisp masses 2 april G sea shore Eng. bot. t. 2220 thick crisp masses 1 april G salt marshes Dillw. conf. t. 9 black-jointed tufts 4 sum. G ocean Dillw. conf. t. B. verdigrease long tufts 6 all sea. G ocean Dillw. conf. t. 80 Young's minute tufts 15161 hormoídes Lyngb. pencilled minute tufts 141-4 sum.

G sea shore Dillw. conf. t. 102 sum. G sea shore Lyngb. hydroph. t. 49 slippery flaccid floating tufts 4 sum. tufts G 2 all sea. G 15164 isogóna E. B. equal-jointed float. patches 1 spring G 15165 fucórum Roth.

Fucus tufts Brsh 15166 flac'cida Lyngb. drooping tufts may Brsh on Fuci sum. on Fuci Germ, ocean Eng.bot.t.1929. C. ærea on Hutchins, Dillw. conf. t. 49 Dill.con.t.C. C. flaccida on F. vesicul. E.b.t.1930. C. youngana Eng. bot. t. 2310 15167 ferrugínea Roth. rusty tufts 15168 cúrta Dillw. cropped minute tufts sum. 15169 car'nea Dillw. pink tufts 1½ aut. 1 all sea. Rus. on Fuci Ol.Br on Fuci Pk Dill.con.t.66. C. fucicola Dillw. conf. t. 76 on Algæ Dillw. conf. t. 84 15170 æruginósa Huds. copperas 15171 Brównii Dillw.

Brown's tufts patches 1½ sum.

Bt. G sea shore spring G Dillw. conf. t. E.

Irishcaverns Dillw. conf. t. D. 15129 15130 15136 15140 دا History, Use, Propagation, Culture, 2289. Zygnema. From ζuγoς, a yoke, and vημa, a filament; in reference to the singular manner in which the filaments are jointed together in pairs. 2290. Mougeotia. Named in honor of J. B. Mougeot, the coadjutor of Nestler, in the publication of their useful work, the Stirpes Cryptogamæ Vogeso-Rhenanæ, which, we believe, is still continued. ORD. VII. TRIBE III.

ALGE CONFERVOIDEÆ. * Two dotted. 15129 Articulations twice as long as broad, Stellæ roundish, Fruit spherical Articulations thrice as long with two approximated stellæ in the middle Articulations about as long as broad 15130 Articul. 4 times as long as broad: in fruit convolute, Sporaceous matter continuous obscure on each side 15131 Articulations about as broad as long, Stellæ transversely linear-oblong parallel, Rays obsolete 15132 Filam. adnate, Articul. half as long again as broad, Stellæ transversely obl. pectinated, Fruit spherical ** Marked with spires. 15133 Filam. equal curved and flexuose conjugate at angles and twice as long as broad, Spires simple 15134 Filam. equal, Spires simple contracted in beginning, at length arcuate, Artic. 3 times as long as broad 15135 Artic. 4 times as long as broad: in fruit elliptical, Spires cruciate lax, Crosses about 4, Fruit elliptical 15136 Articulations about as broad as long, Spires cruciate thin contracted, Fruit elliptical 15137 Filaments simple slippery very fine, Dissepiments obscure, Articulations shortish cylindrical 15138 Filaments knee-jointed, Articulations six times as long as broad 15139 Filaments purple-blue, Sporidia of the crosses of the filaments green 15140 Spots 5-cornered A. Simple. 1. Floating, arachnoid, colored. 15141 Filaments simple creeping entangled in a brownish purple layer, Joints half as long again as broad 15142 Filaments simple very fine adnate straight brown, Articulations four times as long as broad 15143 Filam, simple fine mucous, Articulations about as long as broad marked in the middle with a narrow band 2. Floating, arachnoid, mucous, green. 15144 Filaments arachnoid simple very long in an uniform puckered layer, Artic. thrice as long as broad: when young dotted in the middle 15145 Filam. arach. simp. very muc. entang. in a puckered layer, Artic. about as long as broad or as long again 15146 Filam. simple mucous slippery capillary, when dry traversed by a longitudinal band, Artic. as long as broad 15147 Filaments simple fine gelatinous tapered marked by a transverse band, Artic. about as long as broad 15148 Filaments simple very fine gelatinous equal, Articulations twice as broad as long 15149 Filaments simple fine curled entangled smooth, Artic. half as long again as broad 3. Capillary or setaceous. Articulations filled with globose granules, when dry alternately compressed. 15150 Filaments simple fine, Artic. 3 times as long as broad inflated elliptical 15151 Filaments simple fine, Artic. half as long again as broad with globular inflations at intervals 15152 Filam. simp. capill, very long straight equal, Artic. grain-bear. 2 or 4 times as long as broad shin. when dry ẞ Artic. half as long again as broad 15153 Filam. simple variously bent and loosely entangled, Artic. about as long as broad, Granules scattered 15154 Filam. simple filiform rigid crisp loosely entangled, when dry variegated, Artic. turgid dotted 15155 Filam. simple very short and minute entangled tortuous, Artic. twice as long as broad 15156 Filam. simple stiffish curled entangled fine, Artic. 3 times as long as broad [moniliform 15157 Filam. simple filif. rigid crisp loosely entang. when dry variegated, Artic. about as long as broad, when dry 15158 Filam. simple thicker than a bristle adnate straight rigid erect, Artic. elliptical when dry 15159 Filam. simple thicker than a bristle adnate rigid erect, Artic. cylindrical 3 times as long as broad 15160 Filam. simple very fine adnate stiffish curved, Artic. about as long as broad somewhat moniliform 15161 Filam. simple very fine adnate straight pendulous, Artic. about as long as broad moniliform 15162 Filam. simple fine adnate mucous, Artic. as long as broad and variable, Interstices pellucid 15163 Filam, simple very fine, Artic. rather shorter than broad, Joints pellucid 15164 Filam. simple very fine adnate mucous straight, Artic. as long as broad, Interstices pellucid 15165 Filaments simple straight minute, Articulations oval half as long again as broad 15166 Filaments simple very fine adnate rigid tapered, Lower artic. shorter than broad: upper as long as broad 4. Adnate, pencilled, fastigiate, colored. 15167 Filaments simple rigid fastigiate, Artic. twice as long as broad 15168 Filaments simple fascicled rigid short attenuated at each end, Artic. somewhat longer than broad 15169 Filam. simple fine short, Artic. torose about 3 times as long as broad, Sap contained in a central globule B. Branched. 15170 Filam. branched flexuose short, Branches scattered spreading blunt, Artic. half as long again as broad 15171 Filam. branched densely tufted rigid short, Branches 1-sided, Artic. generally thickest at the end about 3 times as long as broad 15141 15157 WED 15152 1 15169 and Miscellaneous Particulars. 2291. Hydrodictyon. From ύδως, water, and δiκτuov, a net; water-net; so named on account of its singular reticulated structure. 2292. Conferva. A syncope of the Latin conferruminare, to consolidate. Plants of this kind were formerly 15172 stelláris Fl. Dan. 15173 ripária Dillw. 15174 glomeráta L. 15175 crispáta Roth. 15176 frácta Dillw. 15177 pátens Ag. starry bank clustered bushy tufts CRYPTOGAMIA. floating tufts 2 sum. G floating tufts 3 sum. G CLASS XXIV. ins.ofwa.ves. Fl. Danica, t. 660. f. 1 salt ditches Eng. bot. t. 2100 1 sum. Bt. G riv. on stones E.b.t. 1854. C. lætevirens curled patches 2 sp. su.

G lakes Eng. bot. t. 2350 broken large tufts 6 sp. su. G pools Eng. bot. t. 2338 spreading large tufts sum. G ditches ẞ prolifera Ag. proliferous large tufts sum.

G ditches Dil.con.t.10. C. flexuosa 15178 congregáta Ag. heaped tufts 1 sum. G roc. sea coa.

Ly.hy.d.t.56. C. uncialis 15179 lanósa Ag. woolly tufts 1 sum. G on Algæ Dillw. conf. t. E. 15180 flavéscens Dillw. yellowish tufts 6 sum.

Y.G salt ditches Eng. bot. t. 2088 15181 serícea Huds. silken shining tufts 3 sum.

Y.G sea shore 15182 refrácta Roth. whitish crisp ent. tufts 4 jn. jl. Pa. G ocean 15183 as pera Ag. rough tufts all sea. G ocean 15184 heterochlóa Ag. dense tufts 15185 rupéstris L. rock dense tufts 15186 ægogrópila L.

VegetableBalls soft ball 15187 arc'ta E. B. close floating tuft 34433 all sea. D. G ocean sum. Gl. ocean sum. 3 sum. 15188 Vaucheriæfórmis Ag. mucous branched 1½ sum.

G lakes Tran. ocean G ocean 15189 catenáta L. chain-like patches 1 sum.

Br ocean 15190 Hutchinsiæ Dillw.

Miss Hutchins's dense tufts 4 sum.

Gl. ocean 15191 pellúcida Huds. pellucid finely branch. 5 august Pa.G ocean 15192 dístans Ag. distant loose bundles 6 aut.

Pa. G ocean 15193 setígera Ag. 2293. BULBOCHE'TE. Ag. BULBOCHETE. 2294. NITEL/LA. Ag.

Sp. 1. setigerous delicate tufts 6 aut.

NITELLA.

Sp. 5-11. 15194 translúcens Ag. transparent branched 2 sum. Y.Ol pools 15195 fléxilis Ag. flexible branched 15196 opáca Ag opaque branched 15197 nidífica Ag. nest-like branched 15198 grácilis Ag. slender much branch. 2295. CHA'RA. L.

CHARA. 15199 híspida L. hispid branched ponds E. b. t. 2327. C. albida Dil.con.t. E. C.nigricans Eng. bot. t. 1699 Eng. bot. t. 1377 Eng. bot. t. 2098 Dillw.conf.t.E. C. arota Dillenius, t. 5. f. 27 Dillw. conf. t. 109 Eng. bot. t. 1716 Dill.con.t. 21. C. diffusa DI.G lakes & riv. Dil.conf.t.59. C.vivipara 1 sum. Y.Ol pon. & rivul. 1 jl. aug. Y.Ol pools 1 jl. aug. Y.Ol pools sept. Y.Ol pools Sp. 2-16. 1½ jl. aug. Y.G Eng. bot. t. 1855. Chara E.b.t.1070. Chara flexilis Eng. b. t. 1703. Chara Eng. b. t. 2140. Chara Eng. bot. t. 465 15200 vulgáris L. common branched 1½ july Y.G ponds Eng. bot. t. 336 15205 Daviésii Ag. 2296. CERA'MIUM. Ag. CERAMIUM. 15201 lanuginósum Ag. 15202 florídulum Ag. 15203 répens Ag. 15204 plúma Ag. 15206 Róthii Ag. 15207 diáphanum Ag.

ẞ pilósum Ag. 15208 rúbrum Ag.

Sp. 21-38. woolly fine down Tall sea. Br on Algæ flowering little tufts Dill.conf.t.45. Conferva all sea. Pa. G roc. sea shor. Dillw. conf. t. F creeping short down T글 july Pk on large Alg. E. b. t. 1608. Conferva feather fine tufts sum. R on large Alg. Dillw. conf. t. f.

Davies's small tufts july R sea shore Eng. bot. t. 2329 Roth's broad tufts sum. Vi sea shor. roc. Eng. bot. t. 1702 diaphanous pilose diffuse 5 sum. Var. ocean Eng. bot. t. 1742 diffuse 5 sum.

Var. ocean E. b. t. 2428. Conferva red solitary weak 10 sum.

Pu ocean E. b. t. 1166. Conferva 15209 tetragónum Ag. 15210 pedicellátum Ag. square tufts 3 sum. R ocean Eng. bot. t. 1690 stalked dense tufts 4 sum. Or sea shore 15211 Hookéri Ag.

Hooker's fine tufts 1½ sum. Pa.br sea shore 15212 arbúscula Ag. little tree bushy tufts 15173 15179 3 all sea. D.R sea shore Dillw. conf. t. 108 Dill. conf. t. 106 Eng. bot. t. 1916 15191 15193 15174 15183 15190 15186.

History, Use, Propagation, Culture, held to be efficacious in healing fractured limbs. Pliny declares, he was witness to a cure of this kind. Some of the species of this genus are believed to be merely the young of mosses. 2293. Bulbochate. From βoλβoς, a club, and χaiτη, a bristle, in reference to the bristly end of the primary - filaments. 2294. Nitella. From niteo, to shine. A genus separated by Agardh from Chara, because the stem is composed of a simple tube, and not of one spirally striated. The plants have the habit of Chara. 2295. Chara. The origin of this word is unknown. It first occurs in Cæsar's Commentaries, where it is mentioned as the name of a plant, the root of which was used by the Roman soldiers as food. That plant could have had no relation to the plant of the moderns. Various opinions have been held with regard to the station of this genus. Linnæus referred it to the perfect plants, and he has been followed by many botanists. Dr. Hooker and Mr. Lindley, in the former's Flora Scotica, formed it into a particular order, placed between Algæ and Hepaticæ; and with this opinion Dr. Greville coincides. But Professor Agardh thinks it cannot even be separated from true Algæ, in the midst of which he has placed it. The nature of the fructification is so paradoxical, that it is scarcely possible to trace an analogy between it and the fructification of any other plant.

ORD. VII. TRIBE III.

ALGÆ CONFERVOIDEÆ. 15172 Filam, branched very minute equal parallelly exserted from an orbicular base 15173 Filam. branched remotely capillary very long, Branches short divaricating, Artic. twice as long as broad 15174 Filam. branched capillary, Branches alternate: those at the end clustered one-sided erect, Artic. cylind. about twice as long as broad 15176 15175 Filam. branch. Branches altern. rem. Artic. cylind. 6-10 times as long as broad alternately compr. when dry .: upp. numer. somew. recurv. Artic. 4 times as long as broad 15177 Filam. branched capillary, Branches spreading somewhat alternate, Artic. 3 times as long as broad 6 Artic. elliptical proliferous, Pullulating filaments very fine C. Heaped. 15178 Tufts fascic. clav. form, a hemisphere, Filam, intric. branch. Branch. ascend. Artic. about as long as broad 15179 Filaments tufted, Branchlets long remote, Artic . oblong oval 3 times as long as broad 15180 Filaments much branch. capillary, Branches spreading somew. alternate, Artic. 6 times as long as broad 15181 Filaments much branch. capillary dichotom. at base, trichotom. in middle, Artic. 5 times as long as broad 15182 Filam. much branch. capill. Branches divaricat . somew. recurv. very numer. Artic. twice as long as broad 15183 Filam. dichotom. setac. rigid finally becoming blackish, Branc. erect rem. Artic. 3 times as long as broad 15184 Filaments opposite much branched: first branches blackish; second greenish 15185 Filam, much bran. setac. when dry dot. with black, Bran. erect, Joints pelluc. Artic. cylind. 3 times as long 15186 Filam. from a common centre forming a globe rigid branched obtuse, Artic. 5 times as long as broad 15187 Filam, branch. straight virg. capil. Branch. erect somew. hyal, and thicken. at end, Artic. of various lengths 15188 Filam. branched straight virgate capillary mucous, Branches erect when dry black at the ends 15189 Filam, more than bristly trichotom. shin. when dry dott. with black at joints, Artic. 3 times as long as broad 15190 Filam. much branch. flexuose somew. cartilaginous fragile, Branches and branchl. scatter. Artic. torulose 15191 Filam. much branched straight rigid, Branches generally in threes obtuse, Articul. very long 15192 Filam. setac, dichotom, flexuose, Branch, rem. Branchl. short blunt, Artic. cylind. 4 times as long as broad 15193 The only species 15194 Stem long, Branchlets blunt, Nucules nearly naked in heaps at the joints of the stem 15195 Stem trichotomous pellucid, Branchlets forked, Nucules axillary solitary 15196 Stem 2-3-chotomous opaque, Branchlets forked or with broken joints, Globules solitary 15197 Fruit branches filiform with other long jointed ones between, Nucules clustered axillary 15198 Stem slender long, Branches acute forked, Fruit solitary 15199 Stem twisted furrowed strigose, Strigæ reflexed, Bractes aculeate 15200 Stem twisted ash-colored, Branches not jointed, Bractes linear twin thrice as long as nucule 1. Filaments short, fastigiate. 15201 Filam, somew. branch. minute ferrug. Branch. scatter. blunt, Artic. pelluc. in mid. 3 times as long as broad 15202 Filam. branched fine tufted, Branches scattered simple remote, Articul. 3 times as long as broad 15203 Filam. creeping rooting densely entangl. much branch. Joints somew. contract. Artic. narrowest in middle 15204 Filam, creeping minute branched, Branches erect naked at base pinnat. upw. Artic. twice as long as broad 15205 Filam. much branch. fastig. short, Branc. erect acute, Artic. thrice as long as broad, Caps. lateral clustered 15206 Filam. short cæspitose pulvinate, Branches and branchlets fastigiate erect, Artic. twice as long as broad 2. Filaments dichotomous, Branchlets forked, Joints obscure, Thecæ involucred. 15207 Filam. dichotom. much branched somewhat membranous variegated with purple and hyal. Joints elevated ẞ Joints hairy 15208 Filam. dichotom. much branched somewhat cartilaginous, Branchlets forked, Artic. ovate opaque 3. Branches furnished with branchlets, which are more or less dense and shortened. 15209 Filam. branched virgate, Primary articulations twice as long as broad 15210 Filam. setaceous dichotomous, Artic. thickened upwards about 5 times as long as broad 15211 Filam. much branch.: prim, thick and contiguous, Altern. pinnules with artic. half as long again as broad 15212 Filam, much branched: primary without joints, Artic. as long as broad 15198 15203 15205 15210 15196 15199 00100 ODD 15207 15207 β and Miscellaneous Particulars.

Greville observes, "This is a most curious tribe of plants, whose structure, I am convinced, is by no means well the At present, I have only minutely examined the fruit of C. vulgaris. Under a high no means of understood. At present, I have only minutely examined the fruit of C. vulgaris. Under a high power of the microscope, the globule is found to consist of seven triangular scales, which in maturity separate from each other, and produce the dehiscence of the globule. Each of these scales has a vacant portion in its centre, but the margin, which has a fluted appearance under a small magnifier, consists of a number of parallel, linearoblong, hyaline, hollow tubes, placed at small intervals from each other, those forming the angles of the scale being branched. Within these tubes are a profusion of orange, globular, minute bodies (exactly similar to the sporules of many cryptogamic plants), arranged in no order, and escaping on the least injury to the tubes.

It is these little bodies which give the orange color to the globule. Within the globule is a mass of elastic white filaments, much convoluted, and distinctly either jointed or transversely rugose."

The calcareous matter of the stem and branches is not an adventitious incrustation, but is the result of some peculiar economy in the plant itself, as it evidently originates from within, and is covered with the cuticle. It is supposed to be analogous to the siliceous deposit beneath the cuticle of Equisetum. 2296. Ceramium. So called from κερaμoς, a little measure, in reference to the appearance of the capsules. All species are found in the sea, and among the substances cast up upon the shore. the species are found in the sea, and among the substances cast up upon the shore. 15213 corymbósum Ag. 15214 róseum Ag. 15215 thujoídes Ag. 15216 versícolor Ag. 15217 Borréri Ag. 15218 tétricum Ag. 15219 interrúptum Ag. corymbose rosy Arbor-Vitæ changeable Borrer's livid interrupted CRYPTOGAMIA. little tufts CLASS XXIV. little tufts 1½ july R sea shore Eng. bot. t. 2352 finely branch. 14 sum.

R ocean Dillw. conf. t. 17 finely branch. 6 july fine tufts R ocean E.b.t.2465. C. purpuras. 3 sum.

Pu.R on Fuci Eng.bot. t. 966. C. rosea little patches tufts 1 oct.

Or.R ocean Eng. bot. t. 1741 6 spring july Dl.pu sea shore Dl.pu sea shore Eng. bot. t. 1915 15120 Turnéri Ag.

Turner's delicate bran. 15221 plúmula Ag. feather-like delicate bran. 2297. GRIFFITH'SIA. 15222 multífida Ag.

Ag. GRIFFITHSIA. multifid 2 sp. su. 2 sp. su. Pk Sp. 5-7.

Pk sea shore sea shore fine tufts 3 july R sea shore 15223 equisétifolia Ag. equisetum-lv'd sponge-lik.tuf. 6 sum. R sea shore Eng. bot. t. 1838 Eng. bot. t. 2339 E.bot.t.1637. C. Turneri E. bot. t. 1816. Conferva Eng. bet. t. 1479 15224 setácea Ag. bristly lax tufts 15225 barbáta Ag. bearded flocculent 1 july 4 all sea. R C sea shore sea shore Eng. bot. t. 1689 Eng. bot. t. 1814 15226 corállina Ag. coralline branch, tufts 3 july Or.R sea shore 15227 Wig'gii Ag. 2298. CHÆTOSPO'RA. Ag. CHETOSPORA. 2299. POLYSIPHO'NIA. Grev. POLYSIPHONIA.

Sp. 1.

Wigg's finely branch. 5 sum.

Sp. 18-49. 15228 parasítica Ag. parasitical small patches 11 sum.

R.Br on Fuci 15229 spinulósa Grev. 15230 coccínea Ag. rough-stemm. small patches scarlet bushy tufts ocean 15231 divaricáta Ag. divaricating tufts 3 sum. R ocean 15232 grácilis Ag. slender long tufts 4 all sea. Pu ocean 15233 violácea Ag.

B májor Ag. 15234 nigréscens Ag. violet little bushes 9 sum.

Vi ocean large bushy tufts 6 sum. blackish fine tufts 6 sum.

D.Pu ocean B pectináta Ag. 15235 urceoláta Ag. pectinate little tufts 1½ sum.

D.Pu ocean urceolate long branches 8 all sea. R.Br ocean 15236 elongáta Ag. elongated shrubby 8 all sea. R.Br ocean 15237 allochróa Ag various small tufts 1½ all sea. Vi ocean 15328 Brodiæ'i Ag.

Brodie's large tufts 15 all sea. D.R ocean 15329 atrorubéscens Ag. dark red long tufts 6 sum.

R. Br sea shore 1 sum. R.Br sea shore 4 all sea. S D.Pu sea shore Eng. bot. t. 1815 Eng. bot. t. 1165. Fucus E. bot. t. 1429. Conferva Grev. crypt. 90 E. bot. t. 1055. Conferva Lyngb. hydroph. t. 34 Dill.conf.t.40. C. stricta Lyngb. hydrop.dan.t.35 Eng.bot.t.2340. C. nigra E. bot. t. 1717. Conferva E. bot. t. 1239. C. fibrata Dill. con. t. G. Conferva Dill. con. t. 33. Conferva Dill. con. t. G. C. fibrata Dill.con.t.107. Conferva Bl. R marine roc. Dill. con. t.70. Conferva 15240 fastigiáta Ag. 15241 bádia Ag. 15242 recúrva Ag. 15243 byssoídes Ag. 15244 fruticulósa Ag. fastigiate brown little bushes 2 sum.

D.Br ocean fine tufts 3 sum.

D.Br ocean E.b.t.1764. C. polymorp.

Dill.con. t. G. Conferva recurved fine tufts 3 sum.

D.Br sea shore Dill. con. t. G. C. patens byssus-like shrubby 15245 filamentósa Ag. filamentous slender tufts 6 spring R finely branch. 4 sum. Br branch. tufts 4 march R sea shore ocean ocean Eng.bot.t.597. Conferva Eng. bot. t. 1686. Fucus E. b. t. 2312. C. Griffith. 2300. RYTIPHLE'A. Ag. RYTIPHLEA. 15246 tinctória Ag. 2301. ECTOCARPUS. Ag. ECTOCARPUS. 15247 siliculósus Ag.

ẞ atrovirens Ag. ferrugineus Ag. 15248 brachiátus Ag. 15249 granulósus Ag. 15250 tomentósus Ag. 15213 15217 Sp. 1-3. dyer's masses 6 all sea. Ol. G ocean