Descr. foot of small spherical tubers. Leaf solitary, three 
to five inches in diameter, nearly horizontal, orbicular-cor- 
date, cuspidate, convex, membranous; upper surface dark 
rufous green, often with paler blue-green blotches between the 
nerves, clothed with long rufous bristles which are disposed 
in ‘lines along the principal and secondary nerves; under 
surface pale dull purple, with bristles on the principal nerves 
only ; nerves radiating from the top of the petiole, eleven to 
sixteen, rufous above ; petiole half to one inch high. Scape 
solitary, two to three inches long, clothed with the loose pale 
dirty-green or purplish bracteal sheaths. JJowers in pairs, one 
and a half inches in diameter. Ovary turbinate, sharply angled, 
short, glabrous. Sepals and petals equal and similar, spread- 
ing, three-quarters of an inch long, linear, acuminate, dirty 
grey-green. Lip as long as the petals, white, with a green 
disk, convolute for nearly its whole length; limb obcordate, 
2-lobed, erose; disk crested. Column erect, clavate, white. 
Pollen-masses oblong.—J. D. H. 
Fig. 1, Side, and 2, front view of ovary and lip; 3 column; 4 and 5, 
pollen masses :—all magnified. j 
