Bui. 1074, U. S. Dept. of Agriculture. 



Plate LX. 



I 



White Polish 'A). 



Einkorn (B). 



8pik<-. Ize; glume from lower, central, and uppei portion of spike, natural size: 



(cheat kernel In throe position tndintran vei e ection, im:i;ti > f)<->l .s<li -iiih-i i-i ■■;; liukom splkolot 

 and kernel, magnified '■'• dianu 



