Bui. 183, U. S. Dept of Agriculture. 



Plate Vlll. 



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. 



