Description.—Lerb, epiphytic. Pseudobulbs ovoid or 
ovoid-oblong, obscurely 5-angled, about 2 in. long. Leaves 
petioled, elliptic or elliptic-oblong, shortly abruptly acu- 
minate, 5-7-nerved, 12-14 in. long, 33-54 in. wide; petiole 
about 3 in. long. Scapes short, 2-flowered, clothed with 
ovate, imbricate sheaths; bracts spathaceous, elliptic-oblong, 
subacute, convolute, 2} in. long; pedicels nearly 3 in. long. 
Sepals somewhat spreading, elliptic-oblong, concave, re- 
curved and subacute at the tip, 24-23 in. long, 14-13 in. 
wide. Petals connivent, enveloping the column, ovate, 
concave, subacute, 2 in. long, 14 in. wide. Labellum 
3-lobed, very fleshy, 14 in, long; hypochile subglobose, 
over $ in. wide, angled at the base, or with a blunt horn on 
both sides; mesochile short, not channelled, 2-horned, 
gibbous in front, the horns incurved, oblong, obtuse, over 
4 @ long; epichile oblong, truncate, # in. long, over 1 in. 
wide. 
Fig. 1, lip; 2, column; 8, anther-cap; 4, pollinarium; 5, sketch of an entire 
plant :—all enlarged except 5, which is much reduced. 
