Bui. 183, U. S. Dept. of Agriculture. 
Plate V. 
Fig. 1 .—Photomicrograph of the Scutellum of a Germi- 
nating Grain with Its Epithelial Layer. 
In the ends of the cells of the epithelial layer (e) is to be seen the 
black deposit, thought by Torrey to be diastase. In front of the 
epithelial layer the endosperm has been reduced to a milky 
solution, while the scutellar cells back of it are obviously highly 
vital. 
Fig. 2.— Two Grains of Finnish Barley. 
A grain of undesirable spindle shape and a small, insufficient 
scutellum. 
