Bui. 1074, U. S. Dept. of Agriculture. 
Plate XXXVII. 
n ^ 
I 
B 
Gipsy (A). 
Valley (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. 
