ORCHIDEiE. 631 



150. S. grandiflora, lAndl. " Scape short, erect ; lip oblong, as long as the perigone : 

 hypochilium roundish, with 3 horns ; epiohilium ovate, pointed, half as long as the solid, 

 flat-convex, obsoletely 3-dentate middle part." — "Flowers 6" diam., when expanded, white, 

 and crimson on the lower part of the lip." — Hab. Trinidad {Idndl.). 



44. CATASETUM, Rich. 



Lip free, sessile, fleshy : perigonial divisions usually connivent, free. Column 2-cirrhous 

 (except in ? flowers) : " pollinaria 2 : caudicula large : gland thickish." — Scape radical ; 

 ieavea plaited ; flowers large, racemose, polygamous. 



151. C. tridentatuzn, Hook.! Leaves " ohlong-lanceolate, acuminate;" perigone 

 " greenish- and purple-variegated, compressed, connivent " •- divisions ovate, or ovate-oblong, 

 pointed ; lip saccate-cucullate, S-dentate at the summit. — Bot. Mag. t. 3329 : $ . Bot. Ueg. 

 t. 1752: ? {Monachunthus mridis,lMii&^. — Flowers 1^" long. — Has. Trinidad, according 

 to cultivated specimens introduced from that island; [Guiana, Brazil]. 



152. C. trifiduiu, ^00^. / Leaves obloug-lanceolate, shortly acuminate ; raceme cer- 

 nuous ; perigone " greenish, purple-dotted," converging from a spreading base : divisions 

 lanceolate, pointed ; lip flat, %-fid, exceeded by the perigone. — Bot. Mag. t. 3262. — Myan- 

 thus cernuns, Lindl. (Cataseium, G. Echb.). — Flowers li" long. — Hab. Trinidad, according 

 to cultivated specimens introduced from that island ; [Brazil]. 



45. ONCIDIUM, Sw. 



Lip continuous with and spreading from the tumid base of the column, usually exserted- 

 flattish, lobed : perigonial divisions spreading, free, or the exterior lateral cohering. Column 

 low, winged at the summit : pollinaria 2, dorsally furrowed. — Scapes lateral, or terminal, 

 or sca/pe-like peduncles axillary ; leaves leathery, rosulate ; flowers panicled, or racemose ; 

 lip memJiranaceous in the West Indian species. 



* Leaves equitant; root fibrous. 



153. O. iridifolium, ZiA. (JS.). Leaves short, equitant, oilong-laneeolate, -pointeA, ^ 

 about as long as the \-few-flowered scapes ; perigonial divisions free, snbequal ; Up" lamel- / 

 laie-crested at the base :" lateral segments small, roundish, contracted at the base, middle 

 much larger, 4-lobed, roundish; "wings of the column dentate." — Sw. Adnot. t. l.f. 3. — 

 Cymbidium pusillum, Sw. — 1" -3" high; leaves 4'" broad ; flowers "yellow:" lip 6'" long. 

 — Hab. Trinidad!, Cr. ; [Mexico to Brazil]. 



154. O. triquetrum, R. Br. Leaves channelled-eqnitant, oblong-linear, curved, 

 pointed, about as long as the simple, h-\%-flowered scapes; perigonial divisions pointed, 

 interior ovate, exterior superior ovate-lanceolate, lateral cohering ; lip not crested, obsoleteVy 

 Z-lobed: lateral lobes roundish, middle twice as large, ovate, blnntish.; wings of the column 

 entire.— .Bo<. Mag. <. 3393.— Cjmbidium, /Sw.— 4"-6" high; leaves 4"'-3"'(-l"') broad; 

 flowers "white and densely purple-spotted :" lip 5'" long. — Hab. Jamaica!, Macf., Wnllschl., 

 March. 



155. O. pulchellum, fliso/c. "i«ffi»sschannelled-equitant,?8Mear-o^/o»^, pointed, slightly 

 curved, much exceeded by the divided, many-flowered scape ; perigonial divisions pointed, 

 exterior lateral cohering to near the summit : lip lamellate-crested at the base : lateral 

 lobes roundish, half as large as the roundish, 2-lobed, sessile, middle lobe ; wings of the 

 column obliquely ovate -lanceolate, denticulate."— ^o!!. Reg. 1. 1787.—" I'-li' high ; leaves 

 6'" broad ; flowers white with a rosy tinge, yellow crest, and red column-wings : lip about 

 8"' long." — Hab. Jamaica {Lindl.); [Guiana]. 



156. O. tetrapetalum, W. (£.). Leaves channelled-equitant, oblong-linear, acumi- 

 nate, siightly-curved, entire, much exceeded by the simple, or divided, many-fiowered-scape ; 

 perigonial divisions interior obovate, repand, exterior spathulate, lateral cohering to near the 

 summit ■ lip lamellate-crested at the base : lateral lobes small, oblong, blunt, somewhat 

 distant from the middle one, recurved ; middle lobe large, reniform-i-lobed crenate-repand ; 

 wings of the column half-ovate, blunt, suhentire— /«(!?. Amer. Pict.t. 216.-Epidendrum, 

 Jacg. 0. Lemonianum, Lindl. {Bot. Reg. t. 1789) : a few- and yellow-flowered form, ac- 

 cording to Antigua specimens, determined by G. Echb., in which the lateral sepals are 



