Vol. XVII JULY 15, 1919 No. ^ 



JOURNAL OF 



AGRICULTURAL 

 RESEARCH 



coNXKisnrs 



p«g« 



Carbohydrate Metabolism in Green Sweet Com during 

 Storage at Different Temperatures _ _ _ _ 137 

 CHARLES O. APPLEMAN and JOHN M. ARTHUR 



(Contiibution from Maryland Agricultural Experiment Station) 



Certain Relationships Between the Flowers and Fruits of 

 the Lemon --------- 153 



HOWARD S. REED 



(Contribution from California Agricultural Experiment Station) 



Ultra-Microscopic Examination of Disperse Colloids in 

 Bituminous Road Materials _--.-- 167 



E. C. E. LORD 



(Contribution from Bureau of Public Roads) 



PUBUSHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE, 



WITH THE COOPERATION OF THE ASSOCIATION OF AMERICAN 



AGRICULTURAL COLLEGES AND EXPERIMENT STATIONS 



WASHINGTON, D. C. 



WASHINQTON : GOVERNMENT PRINTINO OFFICE : Itlt 



