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Orchideæ (Sp bore lis Salisb northern)

Sp. 1-2. 12994 boreális Salisb. northern Apr my.jn Y.R N. Amer. 1805. R s.p Hook. ex. fl. 12 1930. VANIL/LA Sw.

VANILLA.

Orchidea. Sp. 2-3. 12995 aromática H. K. aromatic 12996 planifólia H. K. fragrant உ L ec 10 jn.au W S. Amer. 1739. C p.l or 10 ap.jn W W. Indies 1800. C p.1 12979 12981 12983 Plu. ic. 183. t. 188 Bot. cab. 733 12984 1926. PRESCO'TIA. Lindl. PRESCOTIA. 12987 plantagínea Lindl. plantain-leaved 1927. MICRO'STYLIS. Nutt. MICROSTYLIS. 12988 ophioglossoídes N. Snake's-tongue-lv. 12989 liliifólia Rich. Lily-leaved 12991 bituberculáta Lindl. long-leaved dejl Y.G N. Amer. 1824.

Orchidea. Sp. 5-9.

Apr jn.jl از G.Pu N. Amer. 1758. R p.s Bot. mag. 2004 England sa.ma.

Nepal 1822.

Isl. France 1823.

N. Holi. 1824.

Y G au G cujl cu cu cu 1 au G R p.s. Eng. bot. 47 Dp.r.w Hook. ex. fl. 116 Dp.r.w Bot. reg. 882 D p.r.w Orchidea. Sp. 1-2.

G Brazil 1822. R p.l Hook. ex. fl. 115 Orchidee. Sp. 1-2.

R p.s Plu.am. t.434.f.4 12986 12994 12987 History, Use, Propagation, Culture, 1921. Angræcum. A latinized form of the Malay appellation angrec, which is bestowed upon all epiphytous plants. This is a pretty genus, remarkable for the distinct spur to the lip. A. maculatum has handsome flat fleshy spotted leaves, and varies with flowers of a delicate pink and of a pale green color. A. luridum is an exceedingly rare species, with plaited leaves and conical bulbs covered with the vestiges of former leaves. A. falcatum is a little Japanese plant, whose flower has a spur nearly as long as the plant itself. It is easily grown among loose moss in a warm damp place, but there should always be some bits of rotten wood mixed among the moss for the tender roots to adhere to. 1922. Aeranthes. A word with the same meaning as Aerides. Fine Madagascar plants. A. sesquipedalis, which has not yet blossomed, bears in its own country very large white flowers, with a spur a foot and half in length. The species are not caulescent as in Aerides, and the flowers appear singly, or two or three together, not in long racemes. 1923. Calanthe. From κaλoς, beautiful, and avθoς, a flower. The genus consists of robust terrestrial, not epiphytous, plants, with long plaited leaves, and fine white flowers, remarkable for the curious conformation of the labellum. They are easily cultivated as Cymbidium . 1924. Stelis. This was the Greek name of some parasitical plant found growing upon trees. The modern genus consists of little inconspicuous West Indian plants, with solitary leaves, and minute green flowers disposed in long filiform axillary spikes. They are not very easily managed ; the best mode of cultivation is to plant them in very rotten wood with a little moss about them, and to keep them in a hot damp stove. them, 1925. Malaxis. From μaλaξiς, softness, in allusion to the delicate texture of the genuine species. They are natives of moist piaces in marshes, and are scarcely capable of successful cultivation. 1926. Prescotia. So called by Lindley in compliment to his friend John Prescot, Esq., an English gentleman resident at St. Petersburgh, and highly highly distinguished for his botanical acquirements. A curious little plant, with long spikes of green flowers. It is easily cultivated in peat and sand. 1927. Microstylis. From μiκρoς, little, and στuλoς, a column, on account of the minuteness of the columna. Little bog plants, resembling Malaxis in habit and manner of growth. 1928. Liparis. Probably derived from λiπaρoς, unctuous, in allusion to the surface of the leaves of the original species, L. Læselii. This genus consists of plants varying somewhat in habit, but agreeing in having pale green or greenish purple flowers, in terminal spikes or racemes. Part of the species are terrestrial, requiring the treatment of Malaxis; the remainder are epiphytes. 1929. Calypso. A poetical name, from κaλύπτω, to conceal; not merely alluding to the covering of the stigma, but preserving an analogy between this botanical beauty, so difficult of access, and the secluded goddess, whose isle was fabled to be protected miraculously from the observation of navigators. 1930. Vanilla. An alteration of vaynilla, which is a diminutive of vaina, a Spanish word, signifying a sheath. The fruit is a long cylindrical pod, very like the sheath of a knife. Vanilla aromatica produces the fruit of that name, which is used in England to flavor chocolate, and in Spanish America for that purpose, for perfuming snuffs, and as a medicine. The Spaniards have three different sorts, which they distinguish in com- ORDER I.

GYNANDRIA MONANDRIA. 12978 Leaves lanceolate spotted flat entire 12979 Leaves somewhat radical ensiform channelled falcate, Scapes few-fl. Spur filiform very long 12980 Stem compr. sheathing panicled, Branches quite simple spreading, Lip 3-lobed, Spur inflex. blunt emarg. 12981 Leaves 2-lobed and very unequal at end shorter than the weak radical sheathed scape, Spur emarginate 12982 Spur very long filiform, Spikes sheathed axillary 12983 Leaves lanc. plaited nerved, Spike dense many-flowered, Bractes small lanceolate 12984 Stem 1-leaved, Leaves oblong lanceolate the same length as raceme, Flowers 3-cornered 12985 Stem long 1-leaved, Leaf broad-lanceolate shorter than raceme, Flowers 6-cornered 12986 Lvs. about 4 at the base of the stem scabrous at the extremity, Scape pentagonal, Lip concave acute 12987 Leaves oblong cæsious flat nerved, Flowers in a long dense spike 12988 Scape 1-leaved, Leaf amplexicaul. Lip truncate emarginate 12989 Lvs. twin ovate-lanc. Scape 3-cornered, Inner sepals reflexed discolored, Lip concave obov, acute at end 12990 Leaves twin ovate-lanceolate, Scape 3-cornered, Lip ovate at end recurved 12991 Somewhat bulbous, Leaves 4-ovate plaited striated wavy, Lip reflexed with two tubercles at base 12992 Radical leaves unequal lanceolate entire acute fleshy about the same length as raceme, Lip oblong retuse 12993 Leaves lanceolate ensiform keeled, Raceme many-flowered, Lip 3-toothed at end 12994 Lip narr. at base somew. clawed, Spur -bifid long. than lip with acute teeth, Pedunc. longer than ovary 12995 Leaves ovate oblong nerved, Sepals wavy, Lip acute, Caps. cylindrical very long 12996 Leaves oblong lanceolate flat obsoletely striated, Lip retuse 12989 12991 12995 12990 12938 12996 12992 and Miscellaneous Particulars. merce, viz.; the pompona, the ley, and the simarona. When the fruit begins to turn yellow, it is gathered and fermented in small heaps, in the same manner as is practised with the cocoa or chocolate pods (Theobroma); it is then spread in the sun to dry, and when about half dried, pressed flat with the hand and rubbed over with the oil of Palma Christi, or of the cocoa; it is then exposed to the sun to dry, the oiling repeated, and the pods covered with the leaves of the Indian reed to preserve them. The fruits which are brought to Europe are of a dark brown color, about six inches long, and scarce an inch broad; they are wrinkled on the outside, and full of a vast number of black seeds, like grains of sand, of a pleasant smell, resembling Balsam of Peru. The species of this genus, like many other Epidendreæ, are falsely called parasitical; but are no more so than our Polypodium vulgare, which is often found growing on the trunks of old trees, especially pollards, rooted in the decaying bark. The Vanillæ shoot out roots at every joint like the Ivy, and may be either grown on a piece of a rotten trunk of a tree, or planted in a pot of rotten tan mixed with rubbish, and the stem trained against any surface which it can root into. Like all the tribe, these plants require very little water. Mr. Salisbury has the following observations upon Vanilla planifolia. "It was discovered by Father Plumier, in the island of St. Domingo, where it grows wild, climbing to the tops of the highest trees; and is easily preserved in our stoves, throwing out one or more roots at every leaf; but as it seldom flowers here, I would recommend the following treatment: - plant it at one end of a low bark stove, the temperature of which must be kept constantly hot and damp, never below sixty degrees of Fahrenheit in the night, during winter. Let the earth be fat loam, taken about an inch deep from the surface, in some old wood: mix this with a few decayed leaves and small pieces of rotten sticks, either in a tub bored full of holes, and sunk at the back corner of the bark pit; or pale off a space of two square feet for it, draining the bottom a foot in depth very effectually with hollow tiles and porous stones. Select a healthy young plant to place in this earth, and as soon as it pushes vigorously, divide the stem, by pinching off its top, into three or four principal branches, which train backwards and forwards over that end of the bark pit, at two inches and a half distance from each other, on stout rods of a rough-barked elm nailed firinly across; the roots which issue from the bottom of the stem or branches, must be suffered to penetrate into the earth, where they will swell and nourish the plants; but if those beyond attempt to strike downwards, wind them gently along the elm rods, to which they will soon cling by small fibres, like those of Ivy. When the principal branches have extended to fifteen or twenty feet in length, divide them again by pinching their tops, as you find it necessary, into about a dozen branches in all, which must be left to flower, guiding them first horizontally, and afterwards in every possible direction, upon smaller rods of rough-barked elm, stuck into the bark pit at various angles. From the twentieth of March to the twentieth of September, shade that end of the stove by the light foliage of a Passiflora, trained all over the top, but pruned so thin as to admit the rays of the sun to play on the bed underneath: I prefer this method to a mat, for many reasons. Let the earth be always damp by gentle sprinklings of water, but never very wet, except in the great heats of summer, when I should be inclined to give the plant two or three drenching showers all over from a fine-nosed watering-pot, shutting up the house at night full of steam." GYNANDRIA DIANDRIA.

Orchidea.

Sp. 8-14.

CLASS XX. 1931. CYPRIPEDIUM. W. LADIES-SLIPPER. 12997 Calcéolus W. common 12998 parviflórum W. small-flowered 12999 pubéscens W. yellow downy 13000 spectábile W. white-petalled 13001 húmile W. two-leaved 13002 arietínum H. K.

Ram's-head 13003 venústum Wall, handsome পপপপপপম or 1 my.jl Y England woods. R s.p Δ or 1 my.jn Y N. Amer. 1759. R s.p or 1 my.jn Y N. Amer. 1790. R s.p Eng. bot. 1 Bot. mag. 911 Bot. cab. 895 or 1 jn.jl W N. Amer. 1731.

R s.p Bot. mag. 216 or my.jn R.w N. Amer. 1786.

R s.p Bot. mag. 192 or my W N. Amer. 1808.

R s.p Bot, mag. 1569 el jl.au G. Pu Nepal 1816.

D s.p Bot. reg. 788 13004 insígne Wall. noble ☑ el 1 jl.au G.Pu Nepal 1819.

D s.p Lindl. coll. 32 1932. STYLI'DIUM. R. Br. STYLIDIUM.

Stylideæ.

Sp. 5-45. 13005 graminifólium R. Br. Grass-leaved or 1 ap.au Pk N. S. W. 1803. S s.p Bot. reg. 90 13006 fruticosum R. Br. shrubby or 1½ my.o Pk N. Holl. 1803. S s.p