﻿Inventory 46, Seeds and Plants Imported. 



Plate VI. 



Another Form of Yampee, from the Canal Zone. 



No. 42054.) 



(Dioscorea sp., S. P. I 



The superior keeping quality in the Tropics of the true yam as compared with the cassava or the 

 sweet potato is a very important factor. These tubers were reported to be of the same variety as 

 those shown in Plate V, though, as will be seen, they are very different in appearance. They 

 illustrate the fact that this important group of food plants deserves more serious consideration 

 from horticulturists than it has hitherto received. (Photographed, natural size, by E. L. Crandall, 

 March 2, 1916; P19481FS.) 



