612 ORCHIDE;E. 



5. MASDEVALLIA, B. P. 



iijo jointed with tlie column, included: perigonial divisions exterior cohering and forming 

 an infundibular tube, acuminate or awned at the summit, interior small. Column naked : 

 poUinaria 2, obovate-oblong. — Stem 1-leaved, as in Pleurothallis ; flowers usually large, 

 single at the lose of the leaf. 



37. M. fenestrata, Lindl. ! Leaf eUiptical-oblong, bluntish, cuneate at the petioled 

 base, about as long as the ventricose-sheathed stem ; peduncle about as long as the petiole ; 

 perigone deep-purple : tuie campanulate, gibbous at the base, as long as the pointed loles, 

 the latter cohering at the point ; "interior divisions ovate, pointed; lip oblong, acuminate, 

 with small lateral lobes about the middle."— .Boi!. Mag. t. 4164. — PleurothaUis atropur 

 purea, Lindl. I— Lent 2"-24" long, 1" broad; flower 6'" long. — Hab. Jamaica !, .a/arcA 

 [Cuba !]. 



6. MICROSTYLIS, Nutt. 



Zip spreading from the column : perigonial divisions distinct, spreading. Column low ; 

 pollinaria 4, collateral. — Eoot terrestrial; stem terminal from an aerial tuber s^^ovex small, 

 racemose J or corymbose. 



38. M. umbellulata, lAndl.l Stem 2-leaved, 5 -angular, or subcylindrical ; leaves 

 opposite, long-sheathing, ovate, pointed ; flowers greenish, approsdmate in a fasUgiate 

 corymb, or short raceme : pedicels at length much longer than the flower : bract lanceolate- 

 acuminate ; perigonial divisions exterior ovate, interior linear ; lip clasping-sessile, hastate- 

 deltoid, mucronate-emarginate ; the mucro inflexed towards the large, basilar concavity. — 

 Malaxis, Sw. — 1 ' high ; leaves 2"-4", lower pedicels 6"', flowers 1'" long. — Hab. Jamaica !, 

 Pi!?., in mountain-woods, Gap of S.Andrews; Dominica !, /mr. ; Trinidad!, Cr., S.Anne; 

 [Cuba!; Mexico!]. 



39. M. spicata, Lindl, Stem 2-leaved, 4-angular, or subcylindrical ; leaves slightly 

 alternating, long-sheathing, ovate-roundish, mucronulate ; flowers greenish, somewhat dis- 

 tant in an elongated raceme: pedicels at length thrice as long as the -flower : bracts linear- 

 acuminate ; perigonial divisions exterior oblong, interior linear ; lip clasping-sessile, hastate- 

 subquadrate, shortly S-lobed: middle, lobe bluntish. — -Sw. Fl. t. 28. inf. analyt.-, middle 

 lobe of the lip more produced than in our form. — Malaxis, Sw. — li'-4' high; leaves 

 ^8"-lg", raceme l"-2", at length 6"-8", flowers 1'" long. — Hab. Jamaica !, Pd., mountains 



of 'Westmoreland ; [Cuba !] . 



7. LIPAEIS, Sich. 



lAp parallel below to the column : perigonial divisions distinct, spreading. Column slender, 

 winged at the summit; pollinaria 4, collateral. — Hoot terrestrial in the West Indian 

 species ; stem terminal from an aerial tuber ; flowers racemose, or spicate. 



40. Ii. elliptica, Q. Mchb. {est diagn^. Scape margined by a wing ; leaf single, oblong, 

 bluntish ; flowers in a spioifoim raceme : bracts exceeding or equalling the ovary ; perigonial 

 divisions linear ; lip ovate repand, abruptly acuminate with the midrib thicMsh, as long as 

 the perigone ; column incurved. — Sturmia, G. Rchb. L. jamaicensis, Mndl. in Herb. Hook. 

 — B"-12"high; leaf 2"-6" long, 8"'-10"' broad; flowers 2"'-3"' long.— Hab. Jamaica!, 

 Macf., Fd., in savannahs. Clarendon; Trinidad!, Cr.; [Venezuela; Guiana]. 



41. Ii. elata, Lindl. • Scape margined by a wing; leaves 3-4, large, elliptical, or ovate, 

 pointed, cuneate at the long-sheathing base ; flowers in a spicifoi'mraceme: bracts about as 

 long as the ovary; perigonial divisions linear-oblong ; lip cuneate-ovate, blunt, as long as 

 the perigone, exceeding the thictish, incurved column. — Bot. Beg. t. 1175 : the synonym of 

 the Indian L. bituberculata, Lindl. (added afterwards), is to be excluded. — I'-H' high ; 

 leaves 6"-8" long, 3"-4" broad; flowers 3'" long.— Hab. Jamaica 1, ZIm^., Wils., March; 

 Dominica 1, Imr. ; [Cuba I to Peru ! and Brazil !]. 



8. BOLBOPHYLLUM, Pet. Th. 

 Lip jointed with the produced base of tie column : perigonial divisions connivent-erect, 



