stalked, about two and a half inches across, striped with 

 dark purple on a whitish ground. Dorsal sepal almost 

 filiform from a broad base, thickened at the tip, incurved. 

 Lateral sepals conjoined in an oblong blade, notched at the 

 tip, and twice as large as the labellum. Petals similar to 

 the dorsal sepal, but only about half the size. Labellum 

 oblong, notched at the tip ; lateral lobes reduced to small, 

 basal, recurved awns. Column club-shaped, incurved. — 

 W. B. H. 



Fig. 1, column and labellum; 2, column ; 3, anther-cap; 4 and 5, pollen : 

 — all enlarged. 



