EXPLANATION OF THE ILLUSTRATION 
Prate XIX. (Left). Prrcamrnta rursrnetia L. B. 
Smith. Habit photograph taken on summit of Cerro 
Ke-ree-ee-k6-mee-6-kee, Comisaria del Vaupés, 
Colombia. 
(Right) Ancumea Hursnert Harms. Habit photo- 
graph taken on the lightly wooded slopes of Cerro 
Ke-ree-ee-k6-mee-6-kee, Comisaria del Vaupés, 
Colombia. 
Photographs by Ricuarp Evans ScHULTES 
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