DIVISION OF VEGETABLE PHYSIOLOGY AN1> rATHOLOGY, 



SCIENTIFIC STAFF. 



B. T. G\\.}.oyfKy, Chief of Dmsnon. 

 Albert F. Woods, Amstant Chief. 



associates. 



Erwin F. Smith, Oscar Loew, 



Mertox B. Waite, W.\i. a. Orton, 



Newton B. Pierce, P'rxst A. Bessey, 



Herbert J. AVebber, Flora W. Patterson, 



M. A. Carleton, Hermann von Schrenk,* 



P. H. DoRSETT, Marcus L. Floyd.''' 



IN charge of laboratories. 



Albert F. Woods, Plant Physiology. 



Erwin F. Smith, Phmt Pathology. 



Newton B. Pierce, Pacific Coaxt. 



Herbert J. Webber, Plant Breeding. 



Oscar Loew,* Plant Nutrition and Fermeniaiion. 



1 Special agent in charge of studies of forest-tree diseases, cooperating with tlic Divisinn of Forestry, 

 United States Department of Agriculture, and the Henry Shaw School of Botany, St. Louis, Mo. 



2 Detailed as tobacco expert, Division of Soils. 



•'In charge of the tobacco-fermentation investigations' of the Division of Soils. 



