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



PLATE L V III. 



Vernal Emmer 'A;. 



Black Winter Emmer (B). 



i.iki-, Ide ■■ lew , natural ize: glumes from lowi r, central, and upper portions of splko, natural size; 

 pikelet and kei ncl, magnified •'• diameters. 



