PLATE 66 



A. — Peking soybeans exposed to the light for 7,'/^ hours daily, beginning with the 

 blossoming period. When photographed September 13, 1919, the seed pods had 

 fully matured and were ready for harvest. 



B. — Control planting of Peking soybeans kept out of doors throughout the test. 

 When photographed September 13 the seed pods were still green and the foliage was 

 just beginning to yellow slightly. 



