^ 



BUREAU OF PLANT INDUSTRY. 



Chief of Bureau, Beverly T. Galloway. 

 Assistant Chief of Bureau, "William A. Taylor. 

 Editor, J. E. Rockwell. 

 Chief Clerk, James E. Jones. 



Physical Investigations. 



scientific staff. 



Lyman J. Briggs, Physicist in Charge. 

 J. O. Belz, Assistant. 

 J. W. McLane and Julia R. Pearce, Laboratory Assistants. 



Alkali and Drought Resistant Plant Breeding Investigations, 

 scientific staff. 

 Thomas H. Kearney, Physiologist in Charge. 

 H. L. Shantz, Plant Physiologist. 

 A. C. Dillman, Assistant Plant Physiologist. 

 230 

 2 



