120 ORCHIDS OF JAMAICA 



3-3*5 cm. 1., 1-5 cm.br., at first covered with three or more scarious 

 membranous sheaths (to 3 cm. 1.) with one leaf at apex. Leaves ligulate, 

 shortly complicate at base, apex somewhat abruptly acute, 14-18 cm. 1., 

 2 cm. br. Peduncles 2-3 cm. 1,, several, 1-flowered, with scarious sheaths 

 at base ; pedicel shorter than peduncle or ovary, with one sheathing 

 bract (18 mm. 1.). Flowers creamy-yellow, perianth nearly 1 in. 1. Ovary 

 and pedicel together 3 cm. 1. Sepals oblong, about 2 cm. 1., lateral 

 spreading. Petals somewhat oblong, nearly as long as median sepal. 

 Lip nearly as long as sepals. 



Var. minor Fawc. & Bendle in Journ. Bot. xlviii. 108 (1910) ; 

 flowers about half the size ; disk of lip with a linear-tapering 

 deep crimson callus | length of lip, and two nerves on each side. 

 (PL 25, f. 17-19.) 



On trees and rocks; in fl. Aug.-Nov. ; Mt. Moses, 2500 ft., J.P. 2009, 

 Symel Mabess River, 3000 ft., Harris I Fl. Jam. 7615.— Cuba, tropical 

 America. 



Pedicel with one sheathing bract (7-8 mm. 1.). Flowers, perianth 

 § in. 1. Sepals 1-1-3 cm. 1., 4*5 mm. br. 



2. M. alba Lindl Gen. & Sp. OrcJi. 143 (1832) ; pseudobulbs 

 distant, ellipsoidal, compressed, with hard bases of foliaceous 

 sheaths ; lip somewhat fleshy, elliptical, indistinctly 3-lobed, 

 terminal lobe oblong-ovate, slightly hooded and thickened at 

 apex, callus extending from base to beyond the middle. — 

 Griseb. op. eit. 626. Dendrobium album HooJc. Es6ot. Fl. t. 142 

 (1823-1827). (PI. 25, f. 1-6.) 



On trees and banks ; in fl. Aug.-March ; Sloane Herb. iv. 116* & Ic ! 

 Wiles ! March 1 near Cedarhurst ; Mt. Moses ; J.P. 465 ; Morris t 

 Trelawney, Miss T. M. Barrett ! Lancaster, 2500 ft., Harris ! Fl. Jam. 

 7209. — Cuba, Trinidad, Guatemala, B, Guiana, Surinam, Brazil. 



Stem stout, 7 cm. and more long. Pseudobulbs to 4 or 5 cm. 1,, 

 covered at first with several sheaths, with one leaf at apex. Sheaths 

 in two ranks, imbricate, the outer triangular, acute, short, the inner 

 becoming gradually foliaceous. Leaves ligulate, obliquely and slightly 

 emarginate, to 2*5 dm. and more, 1*5-2 cm. br. Peduncles several, solitary 

 in the axil of a sheath, 1-flowered, bearing several two-ranked scarious 

 narrow acuminate bracts. Flowers, perianth rather more than f in. 1., 

 white. Ovary with pedicel (if any) 2-3 cm. 1. Sepals somewhat leathery, 

 9-nerved, oblong-ligulate, acuminate, about 2 cm. 1., nearly 5 mm, br. 

 Petals 9-nerved, oblong-elliptical, somewhat acute, 1"6 cm. 1., 4 mm. br. 

 Z/ijp 1*1-1 -2 cm. 1,, 4-5 mm. br. CoZwwin 8 • 5 mm. 1. CapswZe cylindrical- 

 tapering, 3 cm. 1., bearing the hard persistent column. 



3. M. sessills comb. nov. ; pseudobulbs poorly developed and 

 inconspicuous, bases of leaves thickened ; lip somewhat fleshy, 

 elliptical, with a narrow terminal portion, obtuse, and with a, 

 broad thickened margin, disk with a broad densely tomentose 

 band along the central line to the apex.— M. crassifolia Beichb. /I 

 Bonpl. a. 16 (1854) ; Griseb. op. cit. 626. Epidendrum sessile ^«7. 

 Prodr. 122 (1788). Heterotaxis crassifolia Lindl. in Bot. Beg. 



