Descriprion.—Herh, epiphytic, 13-2 ft. high; pseudo- 
bulbs subterete, elongated, erect, 6-10 in. long, with 3-4 
subterminal leaves. Leaves elongate-oblong, subacute, 
curved, very firm, 16-22 in. long, 1-1} in. wide. Scapes 
erect, curved upwards, about 2 ft. long; racemes lax, many- 
flowered ; bracts lanceolate-oblong, short ; pedicels slender, 
1{-I¥ in. long. Flowers of medium size. Sepals and petals 
similar, spreading, oblong, obtuse, about 3 in. long, dull 
yellow with brown margins. Labellum 3-lobed, about 2 it, 
long; lateral lobes transversely oblong, obtuse, incurved, 
dull yellow ; mid-lobe obovate-spathulate, obtuse, suberect, 
white with bright purple spots; disk puberulous, its lamellae 
triangular-oblong, diverging above between the lateral 
lobes. Column clavate, about 5 lin. long, green ; pollinia 
4, unequal, anther attached to a separable  scale-like 
gland. 
Fig. I, lip; 2, column, showing attachment; 3, anther-case; 4 and §&, 
pollinarium seen from in front and from behind; 6, sketch of an entire plant: 
all enlarged except 6, which is much reduced. 
