Mar. 8,1924 Carbohydrate Variations in Corn and Sorghum Leaves 797 
AM. 
PM 
6 8 /0 /2 2 4 6 8 
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Fig. 4.—Graph showing the variation of the starch, 5 reducing and nonreducing sugars, dry matter, and 
water in the leaves of Dwarf Yellow milo during August 3, 1917. 
6 The term "starch” as here used includes, besides the starch, the pentosans and other insoluble carbo¬ 
hydrates that undergo conversion into reducing sugars on boiling with hydrochloric acid according to the 
official method of acid hydrolysis for the estimation of starch. 
