EXPLANATION OF THE ILLUSTRATION 
Prare XVIII. (Upper figure) Ciusta curriBique- 
teNsIs Maguire. A photograph of the bush from 
which the collection R. E.Schultes 5473 was taken. 
(Lower figure) Durora uirsuta (Poepp. & Endl.) 
K. Schum. in the forest at Puerto Limén, Rio Ca- 
queta, Colombia. The several slender blackish 
trunks in the center and against which the blow- 
gun and shot-gun are leaning represent Durota hir- 
suta. Note that a ‘‘natural’’ clearing accompanies 
this tree, which is called soliman, and which is in- 
habited by ants. 
Photographs by Ricuarp E, Scuuttes 
