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



Plate XLVI. 



Mediterranean (A). 



Red Rock (B). 



.•pike, (ace vji-v. , nattu i la glume from lower, central, and upper portions of spike, natural size; 

 kernel .in three po Ition land In trail 1 1 e ectlon, magnified 3 diameters. 



