in. long, 13-24 in. wide. Scapes subbasal, tall, arcuate, 
covered with oblong-spathaceous sheaths, about 2 ft. long, 
subtending lax many-flowered racemes; bracts lanceolate- 
oblong, acute, about 4 in. long; pedicels slender, 1-1) in. 
long. Flowers medium-sized, dull purple with a yellow 
lip. Sepals up to 1 in. long; posterior erect, oblong- 
lanceolate, acute, convex ; lateral spreading, oblong-lanceo- 
late, acute, deeply concave. Petals erect, oblong-lanceolate, 
acute, flat, about as long as the posterior sepal. Labellum 
small, reflexed, 1 in. long, subentire, saccate at the base, 
closely crested on the upper side. Column clavate, $ in. 
long, beaked; antennae 1-1 in. long, incurved, slightly 
spreading. | 
Fig. 1, lip and column; 2, section of lip; 8, column; 4, pollinarium; 
5, sketch of an entire plant :—all enlarged except 5, which is much reduced, 
