downwards, narrower than the casque, disk convex, edge de- 
pressed, with a small cinnamon spot at the top on the out- 
side: label all white, biformed, undivided, unguiculated, 
unguis 3 times as long as the blade or more, oblong and 
straight-sided, subtubularly convolute, affixed to the foot of 
the front of the column by a very shallow didymous pouch, 
resembling the heads of two very small studs; blade, shallow 
transversely oblong, entire, with a scarcely perceptible point, 
shallowly cordate at the base, smooth. Column white, al- 
most twice shorter than the corolla, quite detached, nearly 
upright, cylindrical at the lower part, upwards at the back 
enlarged by a double protuberance, yellowish, polished, - 
depressed at the summit: anther lidshaped, permanent, of 
two cells, with an oblong acuminated receptacle, the point of 
which rests upon the beakshaped process that overhangs the 
parallel slanted stigma: pollen-masses 2, pale-yellow, pe- 
dicled, clavate, composed of obversely oblong angularly 
pressed lobules collected round an elastic glutinous axis, 
D2 
