Bui. 1074, U. S. Dept. of Agriculture. 
Plate XXXI, 
I 
.A 
rV 
I 
B 
^ 
SiLVERCOIN (A). 
TRIPLET (B). 
Spikes, face and side viows, natural size: glumes from lower, central, and upper portions of spike, 
natural size: kernels iii three positions and in transverse section, magnified 3 diameters. 
