ORCHIDEiE. 613 



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

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



Sect. BoiBOPHTLLAKiA, G.RM.—" Pollinaiia incumbent" (R.), " 'i, posterior much, 

 smaller" (Bradf.).— Flowers spicate : rhaohis usually clavate. 



42. B. pachyrrhachis, Gr. Tubers sub-4-gonal, 2(-l ) -leaved ; leaves lanceolate- 

 oblong or oblong-linear, somewhat pointed, exceeded by the scape ; rhachis clavate, acuminate : 

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

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

 long, blunt, fleshy, shortly clawed.— iJicA. Cub. t. 74.— Pleurothallis, Rich. Bolbophylt 

 laria, G. Rchb.—V-i' high ; leaves 4"-5"' long, 6'"-] 0'" broad ; spike 5"-8", flowers 2*-3"' 

 long. — Hab. Trinidad !,&., ^racg^., common; [Cuba]. 



Tkibe II. EFIDENBREJS. — PoUinaria waxy, distant from the stigma, supported by a 

 free stalk (the caudicula). Anther of Malaxidese. — ^Vegetation usually aerial. 



9. EPIDENDKUM, L. 



Lip clawed : the claw usually united with the column. PoUinaria 4 ; caudiculse re- 

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



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



43. E. Ottonis, G. Rchb. ! TmJecs oblong or oval-oblong, compressed, l-jo^y^^oM* ; 

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

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

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

 perigonial divisions ; column minutely anricled. — Isochilns triander, Bradf. ms. : the 

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

 Otto's Venezuela plant, as Br. Gr. Keichenbach informs me, is normally developed. — Allied 

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

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

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

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



4s4c. E. angustifolinm, 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 subequal, lateral half-round, middle ovate ; column auricled below the 

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

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

 summit of Dolphin's Pesdc. 



45. E. Bradfordii, Gr. (ffl. sji). Tubers subglobose, \-phyllous ; leaf linear-oblong, 

 bluntish -J or J 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-fid:' lobes pointed, lateral oblong, middle little longer, acutely obovate ; 

 column auricled below the anther.— E. globosum, Bradf ms. {non Jac?.).— AUied to E. 

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

 ing— Tubers 8"'-10"' diam. ; leaf 5"-6" long, 6'" broad; scape l'-14' high; bracts 

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



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

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

 L • perigonial divisions Unear-lanceolate, pointed, conform; /^p ^-^ff^^- '**T?^ '°^^* 

 sinil Unear blunt, middle ovate-oblong, mucronate."— ^oif. Mag. t. 4572.— E. Imeanfo- 

 Uum, VooA.— Hab. Bahamas (Lindl.) ; [Mexico], 



47 E eracile Lindl "Tubers oya.\e, several-leaved ; leaves oblong-linear ; flowen 

 in a simple, loose' raceme, variegated; perigonial divisions ouncate-oblong; lipZ-lobedz 

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



