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



Plate XLIII. 



I ; 



mm 



P 



m 



A 



4 



SlLVERSHEAF (A). 



Genesee Giant (B). 



Spike, face view, natural size; glumes from lower, central, and upper portions of spike, natural 

 size; kernels in three positions and in transverse section, magnified 3 diameters. 



