Bui. 183, U. S. Dept. of Agriculture. 
Plate VII!. 
Two Samples of Pedigreed Primus Barley Grown the 
Same Season at Different Points in the United 
States, Showing the Effect of Soil and Climate on 
the scutellum. 
In A the scuteilum has degenerated, while in B it has remained of 
desirable shape. 
