124 ORCHIDS OF JAMAICA 



Flowers medium-sized. Bracts small. Sepals equal, free, some- 

 what spreading. Petals a little smaller. Lip continuous with 

 the base of the column, erect ; lateral lobes broad, erect, 

 embracing the column, the median spreading. Column erect, 

 not winged, without a foot, furrowed in front, terminated by a 

 thin erect or slightly inclined rostellum ; clinandrium behind 

 the rostellum. Anther erect in the bottom of the clinandrium, 

 oblong, produced into a long membranous appendage embracing 

 the rostellum ; pollinia 2, waxy, ovoid, distinct, without an 

 appendage, attached to the dilated apex of a long, very narrow 

 stipes, gland small, ovate. Capsule ellipsoidal, tapering to base, 

 shortly beaked. 



Species 13, natives of the West Indies, Florida, Guatemala 

 and Surinam. 



M. luteseens B. Br. in Bot. Beg. t. 612 (1822); Lindl. Gen. 

 & Sp. Orch. 195 ; Beichb. Fl Exot. t. 117 ; Griseb. Fl. Br. W. Ind. 

 635 ; Bolfe in Orch. Bev. iv. 357 (excl. syn.) ; Cogn. in Fl. Bras. 

 Hi. pt. 6, 111 ; Ames Orch. S. Fla. 20, t. 11. Rhyncadenia 

 cubensis A. Bich. Fl. Cub. t. 85 (1853). (PI. 27, f. 7-10.) 



On trees; in fl. Nov.-Jan., in fr. Jan.; near Castleton, J. P. 1, 2388, 

 Morris ! Syme ! Campbell ! Blue Mts. Mrs. Maclaverty ! Belvedere, 

 Hanover, Harris ! FL Jam. 7679. Cuba, Florida, Trinidad, Colombia, 

 Venezuela. 



Plant 5-8 in. high. Pseudobulbs slender, narrowly ovoid-cylindrical, 

 2-5 cm, 1., 5-10 mm. br. Leaf oblong-lanceolate, acute, slightly tapering 

 at base, 10-15 cm. 1., 1*5-3 cm. br. Peduncle shorter than the leaf, 

 sometimes drooping, with a few sheathing acuminate bracts below 

 (1 cm. 1.). Pedicels with ovary I - 5-2 cm. 1., of fruit *8-l cm. 1. Bracts 

 triangular, acute, much shorter than ovary, 3-5 mm. 1. Flowers 4-9, 

 dingy yellow with brown or purplish blotches on the inside, shortly 

 stalked, perianth nearly ^ in. 1., sometimes longer. Sepals membranous, 

 lateral 5-6-nerved, elliptical-lanceolate, acute, somewhat falcate, 1 cm. 1., 

 3 mm. br. ; median 7-nerved, very concave, elliptical, acute, 1*1 cm. 1. 

 Petals similar to sepals, but 5-7-nerved, elliptical-oblong, acute, somewhat 

 falcate, 9 mm. 1., nearly 3 mm. br. Lip roundish-obovate in outline 

 below, 5 mm. 1., 6 mm. br., with a narrow reflexed, terminal lobe ; disk 

 with three keels along centre as far as base of terminal lobe, and four nerves 

 on each side; terminal lobe linear-lanceolate, 3-nerved, narrower at base 

 than above, margin revolute, 4 mm. 1., 1*5 mm. br. Column thicker 

 above, 4*5 mm. 1., 2 mm. br. above; rostellum linear, about 1*2 mm. 1. ; 

 clinandrium membranous, cup-shaped, with the margin irregularly 

 toothed. Anther shortly and imperfectly 2-celled. 



52. IONOPSIS H. B. & K. 



Epiphytic herbs. Stems leafy, very short, without pseudo- 

 bulbs. Leaves few, narrow, leathery ; sheaths persistent, over- 

 lapping, in two ranks. Peduncles 1-3, lateral or subterminal, 

 elongated, thin, rigid, with few sheaths. Racemes slender, lax, 

 simple or branching. Flowers medium-sized, with somewhat 



