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



Plate LIL 





A 



B 



$•#© 



Bluechaff (A). 



Dale (B). 



Spikes, face and side views, natural size; glumes from lower, central, and upper portions of spike, natural 

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



