3838 GENETICS IN RELATION TO AGRICULTURE 
Fie. 139.—The erect pure line of Gypsy wheat in 1909. (After Williams, Ohio A. E. 8.) 
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Fie. 140.—The same pure line (on the right) now known as the Gladden variety, as grown 
in 1915. (After Williams, Ohio A. E. S.) 
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