EXPLANATION OF THE ILLUSTRATION 
Pirate XIII. Ocromerta pyemara C, Schweinfurth. 
1, plant, eight times natural size. 2, dorsal sepal, 
sixteen times natural size. 3, lateral sepal, sixteen 
times natural size. 4, petal, sixteen times natural 
size. 5, lip expanded, from above, thirty-two times 
natural size. 
Drawn by EK. W. Suiri 
