0RCHIDEJ1. 613 



exterior lateral often cohering at the base. Column short, with 2 lateral appendages at the 

 summit : pollinaria 4, often unequal.— Scapes radical, lateral to aerial tubers. 



Sect. Bolbophyixama, G. Rchb.—" Pollinaria incumbent" (R.) 5 " 2 posterior much 

 smaller" (Bradf.). — Flowers spieate : rhachis usually clavate. 



42. B. paehyrrhachis, Or.. Tubers snb-4-gonal, 2(-l)-leaved ; leaves lanceolale- 

 oblougor obloug-linear, somewhat pointed, exceeded by the scape ; rhachis clavate, acuminate : 

 flowers numerous, sessile, little exceeding the deltoid bract , perigonial divisions exterior 

 subulate, lateral cohering at the base, interior much smaller, oblong, blunt ; lip short, ob- 

 long, blunt, fleshy, shortly clawed.— Rich. Cub. t. 74.— Pleurothallis, Rich. Bolbophyl- 

 lana, G. R c hb.—V-2' high ; leaves 4"-5'" long, 6"'-l 0'" broad ; spike 5"-8", flowers 2' , '-3'" 

 long.— Hab. Trinidad!, Cr., Bradf., common; [Cuba]. 



Tribe II. EPIDENDREM — Pollinaria wary, distant from the stigma, supported by a 

 free stalk {the caudicula). Anther of Malaxideae. — Vegetation usually aerial. 



9. EPIDENDRUM, L. 



Lip clawed •. the claw usually united with the column. Pollinaria 4 : caudiculae re- 

 flexed, as many (-2). — Inflorescence terminal in the West Indian species. 



§ 1. Lip free or nearly free from the column. — Aerial tubers : scape terminal. 



43. E. Ottonis, G. Rchb. ! Tubers oblong or oval-oblong, compressed, \-phyllous ; 

 leaf oblong-linear, bluntish, tapering at the base, exceeding the scape ; sterile bracts mem- 

 branaceous, exceeding the interuodes ; raceme 5-6-flowered, simple : flowers whitish ; 

 perigonial divisions lanceolate, pointed, conform; lip free, entire, nearly conform to the 

 perigonial divisions ; column minutely aurieled. — Isochilus triander, Bradf ms. : the 

 Trinidad form being constantly 3-androus (Br.) or 3-5-androus {Cr.) by monstrosity, while 

 Otto's Venezuela plant, as Dr. 6. Reichenbach informs me, is normally developed. — Allied 

 to E. auritum, Lindl., but flowers smaller, column not deeply 3-lobed, and anther blunt, 

 tailless.— Tubers serial, 6"'-12'" long, 3'" broad j leaf 5"-6" loug, 3'" broad ; flowers 3"'-4'" 

 long, half as long as the smooth ovary ; terminal anther 4-celled, lateral in the monstrous 

 flowers incomplete. — Hab. Trinidad !, Bradf, Cr., frequent, on trees ; [Cuba ! to Venezuela]. 



44. E. ang-ustifolium, Sw. (L. in Herb. Hook). Tubers ovate or ovate-lanceolate, 

 little compressed, \-phyllous ; leaf linear, grass-like, exceeded by the scape; scape filiform, 

 naked: bracts minute, pointed; raceme lax, branched at the base: pedicels as long as the 

 ovary ; perigonial divisions lanceolate, pointed, conform ; lip as long, free, broadly Z-lobed 

 above the claw ; lobes subeqnal, lateral half-round, middle ovate ; column aurieled below the 

 anther-bed.— Tubers serial, 6"'-8'" long, 4"'-3'" broad; leaf 6'" long, 1'" broad; scape 

 about 1', bracts $'"-%'", pedicels 2"', flowers 2"'-3"' long. — Hab. Jamaica 1, Pd., on trees, 

 summit of Dolphin's Peak. 



45. E. Bradfordii, Gr. (n. sp.). Tubers subglobose, 1-phyllous ; leaf linear-oblong, 

 bluntish, \ or \ as long as the scape ; sterile bracts distant, short, ovate, membranaceous ; 

 raceme 5-6-flowered, simple : flowers white ; perigonial divisions oblong-lanceolate, pointed, 

 conform; lip Z-fld: lobes pointed, lateral oblong, middle little longer, acutely obovate ; 

 column aurieled below the anther. — E. globosum, Bradf. ms. (non Jacq.).— Allied to E. 

 chlorolevcum, Hook., but leaf single, and" lobes of the lip less unequal, lateral erect-spread- 

 ing.— Tubers 8"'-10'" diam ; leaf 5"-6" long, &'" broad; scape V-ltf high; bracts 

 l'"-2'", pedicels 4'", ovary 6'", perigone 4"'-5'" long.— Hab. Trinidad !, Bradf, Arima. 



46. E. acicnlare, Batem. "Tubers oblong, 2-leaved ; leaves linear, channelled, 

 pointed, as long as the 6-7-flowered scape ; flowers in a simple raceme, purple with a whitish 

 Up; perigonial divisions linear-lanceolate, pointed, conform; lip Z-lobed: lateral lobes 

 small, linear, blunt, middle ovate-oblong, mucronate."— Bot. Mag. t. 4572.— E. lineanfo- 

 lium, Hook.— Hab. Bahamas (Lindl.) ; [Mexico]. 



47. E. gracile, Lindl. "Tubers ovate, several-leaved; leaves ob long- linear ; flowers 

 in a simple, loose raceme, variegated; perigonial divisions cuncate-oblong ; lip Z-lobed: 

 lateral lobes half-ovate half as long as the middle one, the latter oblong, very blunt, 



