136 



ORCHIDS OF JAMAICA 



Species about 35, natives of tropical America, chiefly the 

 West Indies, Central America and Mexico. 



Leaves persistent, not jointed below ; capsule densely 

 covered with long bristles. 

 Leaves oblong, tapering to an acute apex with a 



long tip, inclined slightly towards the end of 



the shoot 1. D. echinocarpa. 



Leaves elliptical-oblong with a rounded apex 



with a short tip, inclined slightly away from 



end of shoot 2. D. muricata. 



Leaves linear, inclined slightly away from end 



of shoot 3. D. trichocarpa. 



Leaves jointed above the sheath, limb falling ; 

 capsule smooth. 

 Leaves oblong-linear, with a long tip at apex, 



spreading 4. D. graniinoides. 



Leaves oblong, with a very short tip, inclined 



towards end of shoot , 5. D. glauca. 



Leaves jointed above the sheath, limb falling ; 

 capsule densely covered with long bristles. 

 Leaves oblong or oblong-ligulate, with a short 



or long tip, ciliate at apex, spreading 6. D. Morrisii. 



1. D. eehinoearpa Lindl Gen. & Sp. Orck 208 (1833) 

 (in part) ; leaves persistent, not jointed below, oblong, tapering to 

 an acute apex with a long tip, inclined slightly towards the end 

 of the shoot ; lip white, variegated with blue, very shortly 

 clawed, somewhat quadrangular-oblong, cuneate towards base, 

 angles not produced into lobes, apex apiculate ; capsule densely 

 covered with long bristles which are swollen at the base. — 

 Griseb. Fl. Br. W. Ind. 624. Epidendrum echinocarpon Sw. 

 Prodr. 124 (1788). Cymbidium echinocarpon Sw. in Nov. Act. 

 Vpsal. vi. 71 (1799) & Fl. Ind. Occ. 1452. (PI. 30, f. 26-30.) 

 Type in Herb. Mus. Brit. 



Amongst mosses on trees and rocks; in fl. Aug.-Nov., in fr. Oct.-April; 

 mountains, Swartzl Wiles I Macfaydenl March \ J. P. 2036, Morris I Mt. 

 Moses, 3000 ft.; Dollwood; Cinchona, 5000 ft.; Clydesdale, 4500 ft.; 

 Harris ! Fl. Jam. 7527, 7994, 9023.— Cuba, Porto Rico. 



Plant to IJ ft. 1. Stem to 5 dm. 1., simple or sometimes branched, 

 decumbent, pendulous, emitting roots, somewhat slender, compressed,. 

 1-5 mm. br. Leaves, limb 12-25 mm. 1., 5-8 mm. br., the long apical tip 

 readily rubbing off, median nerve very prominent below, forming a slight 

 keel, 5-7 nerves on each side ; sheaths 12-15 mm. 1., compressed, keeled. 

 Peduncles about 15 mm. 1. ; basal bracts, lower 2-4 mm. 1., upper 5 mm. 1.; 

 bracteoles about 3 mm. 1. Flowers pale yellow. Sepals 5-nerved, outside 

 muriculate ; lateral oblong, elliptical, tapering to a shortly acuminate apex, 

 9*2 mm. 1., 4 mm. br. ; median obovate-oblong, tapering to a shortly 

 acuminate apex, 8-9 mm. 1., 3*25 mm. br. Petals outside muriculate, 

 oblanceolate-oblong, somewhat falcate, tapering to a shortly acuminata 

 apex, nearly 8 mm. 1., 2-5 mm. br. Lip 6 mm. 1., about 4 mm. br. ' 

 Column barely 2-5 mm. 1., short and thick, hooded, stigmatic lip absent. 

 Capsule ellipsoidal, somewhat tapering to base, 12-15 mm. 1., 6-8 mm. br.. 



