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



Plate XXVIII. 



CURRELL 'AJ. 



POOLE <B>. 



spike . face and Ide view , natural Ize; glumes from lower, central, and upper portions of spike, 

 natural u-; kernels In three position and In Iran ivor e section, magnified 3 diameters. 



