Lip about equal in length with the perianth, white, beautifully 
painted within with yellow and deep purple, obovate, the lower 
half concave, subcucullate, within having three elevated fleshy 
ridges, the upper half, or apex, spreading, obscurely lobed and 
waved, the upper surface with several, membranous, crisped 
lamella. | Column rather short, semi-cylindrical, included. 
Fig. 1. Column and anther. 2. Lip:—slightly magnified. 
