Mar. 8,1924 Carbohydrate Variations in Corn and Sorghum Leaves 799 
AM. PM AM. 
'The term “starch" as here used includes, besides the starch, the pentosans and other insoluble carbo- 
hydrates t^t undergo conversion into reducing sugars on boiling with hydrochloric acid according to the 
official method of acid hydrolysis for the estimation of starch. 
