EXPLANATION OF THE ILLUSTRATION 
Prare XXX. Ocromeria. 1, O. FLAviIFLoRA C. 
Schweinfurth. Flower expanded, three times natural 
size. Lip, three quarters view, five and one half 
times natural size. 2, O. nana C. Schweinfurth. 
Flower expanded, eight times natural size. Lip, 
three quarters view, eleven times natural size. 3, 
O. pentirera C. Schweinfurth. Flower expanded, 
two and one half times natural size. Lip, three 
quarters view, four and one half times natural size. 
4, O. LtancrperaLa C. Schweinfurth. Flower ex- 
panded, five and one half times natural size. Lip, 
three quarters view, twelve times natural size. 
5, O. rivirotia C, Schweinfurth. Flower expanded, 
nine times natural size. Lip, three quarters view, 
twenty-two times natural size. 6, O. corDILABIA 
C. Schweinfurth. Flower expanded, five and one half 
times natural size. Lip, three quarters view, twelve 
times natural size. 
Drawn by Ermer W, Situ 
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