EXPLANATION OF THE ILLUSTRATION 
Prate IT. Sprranrues tonaiauricutata C, Schweinfurth. 
1, plant, one half natural size. 2, flower from front, ex- 
panded, with lip removed, twice natural size. 3, lip, 
expanded, twice natural size. 4, dorsal sepal, expanded, 
three times natural size. 
MANNIELLA AMERICANA C, Schweinfurth & L. A. Garay. 
1, plants, one half natural size. 2, flower from side, natu- 
ral position, about twice natural size. 3, sagittal (lateral) 
section of flower (with lip and column intact), about 
five times natural size. 4, lip, expanded, three times 
natural size. 5, dorsal sepal with one partly adherent 
petal, three times natural size. 
Drawn by Etmer W. Sita 
