PLATE LVII. 
Bul. 1074, U. S. Dept. of Agriculture. 
KUBANKA (B). 
s from lower, central, and upper portions of spike, natural 
size; kernels in three positions and in transverse section, 
ARNAUTKA (A). 
, side view, natural size; glum 
magnified 3 diameters. 
(= 
Spike 
