EXPLANATION OF THE ILLUSTRATION 
Prare IX. Praronta instants Mart. var. rorMosa 
R.E. Schultes. (Upper) Branches showing fertilized 
flowers with the petals fallen and the staminal bun- 
dles drooping. From the type tree. Rio Piraparana, 
Vaupés, Colombia. 
(Lower) Flowers of the type tree before fertiliza- 
tion. 
Photographs by Ractiarp Evans Scuures 
