Issued April 20, 1910. 



U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF CHEMISTRY BULLETIN No. 128. 



H. \V. WILKY, Chief of Bureau. 



I! I -LOCAL EXPERIMENTS ON THE INFLUENCE 

 OF ENVIRONMENT ON THE COM- 

 POSITION OF WHEAT. 



By 



J. A. LE CLERC, 



rye Vtgetable- Physiological Chemistry, 



WITH THE 0>l I Mi. -It \Tlov OF 



SHERMAN LEAVITT, 



Atfiftnnt Chemist. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE, 

 1910. 



