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Oncidium (To the species and varieties)
To the species and varieties described on pp. 483-91, Vol. II., the following should now be added. Those marked T. are tropical, while those marked C. will thrive in a cool-house. The remainder require an intermediate temperature.
O. anthocrene (flower-fountain). fl. disposed in large, upright, branched spikes; sepals and petals chocolate-brown, transversely barred yellow towards the base, much undulated; lip white. Summer. Peru. A curious species, in habit some-what resembling Miltonia Warscewiczii. [T.] O. aurosum (golden). A variety of O. excavatum.
O. bicolor (two-coloured). A variety of O. Martianum. O. Brauni (Braun's). fl. fuscous-orange and greenish-yellow; sepals oblong, reflexed, the lateral ones connate at base; petals ovate-oblong; lip three-lobed, slightly exceeding the sepals and petals, the middle lobe dilated and bilobed; panicle flexuous, elongated, loosely arcuate-recurved, the lower branches two or three-flowered, the upper ones one-flowered. l. terminal, solitary, ovate-oblong, half the length of the panicle. 1886. (R. G. 1235, a-c.) [C.] O. caloglossum (beautiful-lipped). fl., sepals and petals yellow, striped sepia-brown, the stripes confluent in the petals; lip of brighter yellow, blotched brown in front, the warts of the calli reddish, with numerous brownish-red spots all around; column light yellow, spotted brownish-red at base, the wings spotted purple. Tropical America, 1885. [T.] O. chrysops (golden-eyed). fl., sepals light brown, cuneate-oblong; petals light brown, much broader, somewhat wavy, blunt; lip bright yellow, the basilar laciniae small, the isthmus very short, the large anterior blade reniform, emarginate, the calli triseriate; peduncle reddish, racemose. l. reddish, short. 1888.
O. chrysorhapis (golden-needled). fl., sepals and petals light sulphur-yellow, the disk spotted dark brown, forming one mass, with extended external processes on the upper sepal and petals; side laciniae of the lip linear, lobed at top, erect, the claws covered with tumours, the anterior blade reniform, emarginate, very large; pedicels three to five-flowered. l. cuneate-oblong-lanceolate, acute, 6in. to 7in. long, 1 1/2in. wide. Brazil, 1888. [T.] O. crocodiliceps (crocodile's-head). fl. several in a one-sided raceme; sepals and petals greenish-sulphur, striped and blotched cinnamon, the sepals ligulate, acute, the petals sub-equal; lip white, with a tuft of yellow hairs at the sub-cordate or rounded base, and a velvet callus in front; anther very large, comparable to a broad crocodile's head. l. cuneate-oblong, acute, very strong. Pseudo-bulbs ultimately much wrinkled. Mexico, 1885. [C.] O. cruentum (bloody). A synonym of O. reflexum pelicanum. O. excavatum Dawsoni (Dawson's). fl. bright yellow and rich brown, large; scape 5ft. long, sometimes producing a hundred flowers. Peru. O. hastatum hemimelaenum (half-black). fl., sepals and petals blackish-purple, tipped whitish-green; mid-lacinia of the lip brownish. 1887. O. Henchmanni (Henchmann's). A synonym of O. carthaginense sanguineum. O. hians (gaping). fl. yellow and brown, small; lip having an extraordinary, erect, white, fleshy appendage, as long as the column, parallel with that organ, and resembling the four fingers of a hand a little hollowed out and closed together; column without cheeks; stigma beaked. Brazil. (R. G. 1250.) [T.] O. holochrysum (wholly yellow). fl. rich golden-yellow, very densely disposed in secund racemes; lip trifid, the large middle lobe clawed, reniform, bilobed. l. two, rather thick, ligulate, acute. Pseudo-bulbs oblong, sulcate, spotted. Peru. [C.] O. Hookeri (Hooker's). fl. lively yellow, small; sepals and petals oblong, nearly equal, the latter spotted orange; lip three-lobed, the lateral lobes linear-oblong, spreading, the middle one broadly obovate-cuneate, the base orange or chestnut-coloured and tubercled; scape 6in. to 18in. long, paniculately branched. l. 5in. to 8in. long, linear-ligulate. Pseudo-bulbs clustered, two-leaved. Brazil. (B. M. 3712, under name of O. raniferum major.) [C.] O. Hubschi (Hubsch's). fl. yellow, tinted brown, disposed in a much-branched panicle; lip narrower in front than at base, its chief mark consisting in the bipartite, orange column wings. Ecuador, 1885.
O. incurvum. This pretty and easily-grown species is described on p. 487, Vol. II. Fig. 47 shows the habit and the character of its inflorescence. O. ionosmum (Violet-scented). A synonym of O. tigrinum unguiculatum. O. Jonesianum phaeanthum (dusky-flowered). fl. having brownish sepals and petals, a smaller crest on the lip, and no spots. 1887. The type is shown in Fig. 48. [T.] O. Keilianum (Keil's). A synonym of Brassia Keiliana. O. Kramerianum (Kramer's). A variety of O. Papilio.
O. leopardinum (leopard-marked). fl. yellow, showy, disposed in loose panicles about 3ft. high; sepals and petals banded dark brown; lip banded brown at base, the middle lobe unguiculate, transversely emarginate, the base auriculate. Peru. A free-flowering, compact species. [T.] O. lepturum (slender-tailed). fl., properly formed ones light yellow, spotted brown; sepals and petals cuneate-oblong, acute; lip with a very broad, cordate base, narrowed into a small, bifid apex, and having a cushion of finger-like calli at the base. 1886. One of the group with tufts of abortive flowers. [C.] O. loxense (Loxa). fl. in a broad panicle; sepals dull olive, barred cinnamon, unguiculate, oblong, acute; petals broader and shorter; lip bright orange, having a tooth-like auricle on each side of the base, a short, broad stalk, and a broad, reniform blade. l. cuneate-ligulate, acuminate. Pseudo-bulbs oblong, furrowed, two-leaved. Cordillera of Loxa, 1884. [C.] O. ludens (playful). fl., sepals rich brown, unguiculate, the upper one transversely elliptic, the lateral ones oblong, acute; petals yellow, marbled cinnamon, shortly unguiculate, hastate, annular, occurring both closed and open; lip pale yellowish-ochre and brown, recurved towards the apex; column greenish, striped brown, the wings dark purple. 1885. Allied to O. annulare. [T.] O. macranthum Williamsianum (Williams'). fl. having a large, Indian purple blotch on each petal. New Grenada.
O. micropogon (small-bearded). fl. 1 1/2in. across the petals; sepals yellow, banded pale brown, linear-oblong, acuminate, undulated; petals golden-yellow, with a deep reddish-brown claw, much broader than the sepals; lip golden-yellow, with three sub-equal, spreading, clawed lobes, the disk covered with yellow and brown tubercles; raceme 8in. to 10in. long, pendulous. August. l. two to a pseudo-bulb, 4in. to 6in. long, linear-oblong. South Brazil (?), 1886. (B. M. 6971.) O. monachicum (monkish). fl., dorsal sepal dark brown, with a crisped, yellow border, reniform, overarching, the lateral ones large, cuneate-oblong, on long stalks; petals cinnamon, blotched and edged sulphur-yellow, roundish-hastate, incurved, undulated; lip brown, ligulate, with an angular base and a double callus; spikes large and branching, as in O. serratum. March and April. New Grenada. Allied to O. metallicum. (G. C. n. s., xix., p. 368.) [T.] O. nubigenum (cloud-born). A variety of O. cucullatum. O. Papilio Kramerianum resplendens (resplendent). In this form the flowers are much larger, and the colours brighter, than in Kramerianum; the callus of the lip, also, is longer than in that variety, and has the base and apex yellow, spotted and barred purplish-brown, the middle being white, barred purplish-mauve; the lip itself lacks the brown margin generally seen. [T.] O. P. majus (greater). fl. dark brown, barred yellow; lip very large, bright yellow in the centre, edged dark brown. Trinidad. [T.] O. pardoglossum (panther-marked-lipped). fl. chestnut-coloured, narrow, much marked with yellow on the lip, and having a very obscure, yellow band on the dorsal sepal; column light yellow, very long, with brownish-purple wings. 1886. An interesting species.
O. Pollettianum (Pollett's). fl. large; sepals yellow, the dorsal one oblong, acute, the lateral ones connate and two-toothed at apex; petals brown, bordered yellow; lip having small, roundish auricles at base, a long, narrow neck, and a broad, four-lobed blade, the outer lobes broadest; raceme many-flowered. 1886. A showy species. [T.] O. raniferum major (frog-bearing, larger). A synonym of O. Hookeri. O. Rigbyanum (Rigby's). A synonym of O. sarcodes.
O. Rogersii (Rogers'). A variety of O. varicosum.
O. roseum (rosy). A synonym of O. carthaginense sanguineum. O. sanguineum (bloody). A variety of O. carthaginense. O. sarcodes discoidale (discoid). A trifling variety, having no spots on the front part of the lip. 1886.
O. Sprucei (Spruce's). fl. bright yellow, produced in great profusion; sepals and petals blotched red above, obovate, obtuse; lip having the transverse middle lobe narrowly clawed, two-lobed, stained red at base; panicles flexuous. l. sometimes 2 1/2ft. long. Brazil. Allied to O. Cebolleta. [T.] O. stelligerum (star-bearing). fl. stellate, paniculate; sepals and petals yellowish, with many brown spots, oblong-ligulate; lip yellowish-white, with a darker yellow callus, the lateral lobes short, obtuse-angled, the isthmus narrow, the middle lobe roundish-cordate, shortly and abruptly cuspidate. Mexico. Allied to O. hastatum. [C.] O. s. Ernesti (Ernest's). fl. pale yellow, with large, rounded, brown spots on the sepals and petals, and a reddish-purple front lobe to the lip. Mexico, 1887. (W. O. A. vi. 260.) [C.] O. superbiens (superb). fl. 2 1/2in. in diameter; sepals chocolate-brown, tipped yellow, long-clawed, the upper one much crisped, reflexed at apex, the lateral ones more ovate and less curved; petals smaller, yellow above, barred chocolate below, cordate-oblong, recurved, with a shorter and broader claw; lip blackish-purple, with a yellow crest, very small, revolute; panicle loose, flexuous, twenty to thirty-flowered; scape (and inflorescence) 2ft. to 3ft. long. l. about 1ft. long, linear-oblong, acute, keeled. Pseudo-bulbs elongate-ovate, compressed, about 4in. long. New Grenada, Venezuela. (B. M. 5980.) [T.] O. tigrinum lugens (mournful). fl., sepals and petals of a uniform, dark reddish-brown inside, the tips yellow, the dorsal keels green. 1886. O. Warneri (Warner's). fl. five to eight in a short raceme; sepals oval, spreading; petals narrower and ascending; lip bright yellow, three-lobed, flat, the middle lobe deeply parted into two roundish lobes. Autumn. l. linear-lanceolate, recurved. Pseudo-bulbs ovate, ancipitous, two-leaved. Mexico. SYN. Odontoglossum Warneri purpuratum (B. R. 1847, 20). There are two varieties: purpuratum, sepals and petals white, streaked bright purple; sordidum, sepals and petals dull yellow, streaked purple. [C.]
