ing to the description of that writer, in some important par- 
ticulars. 
A parasitical, caulescent plant. Stems 14 foot high, as-- 
cending, two-edged; at the ends leafy, clothed with the 
rigid withered remains of the leafsheaths, bearing at the 
axillze oval, compressed, two-edged bulbs, each bearing one 
leaf. Leaves ligulate, acute, keeled at back, yellowish green, 
a little twisted, at the end obliquely emarginate ; those on 
the bulbs solitary, on the stem ‘two-ranked, shorter than 
those of the bulb. Flowers solitary, remaining in perfection 
for a short time only, axillary, with two or three imbri- 
cated, lanceolate, sheathing, acute bracteze. Flower spread- 
open, pale yellow, smooth, with a faint smell; sepals ob- 
ovate-lanceolate, fleshy, nearly equal. Lzp shorter than the 
sepals, jointed with the lengthened base of the columna, 
yellow with white edges, cucullate, three-lobed; the lobes 
nearly equal, the middle one being somewhat cordate, 
rounded, acute; its disk bearded. Columna free, erect, half 
rounded, with a vaulted rounded gynizus. -dnther termi- 
nal, like a lid, deciduous, $-2-celled, with obsolete divisions. 
Pollen-masses 4, compressed, parallel, loose. Ovary smooth, 
without ribs. . 
JL. 
