PLATE m 
A. —Peruvian alfalfa sown at Arlington, Va., September 6. Photographed Decem- 
er 5, i 
B. —1 
S» 19 ! 6 - 
her 5, 1916. 
B.—Kansas alfalfa sown at Arlington, Va., September 6 . Photographed December 
(608) 
