BBYNOIiD 



:• : > 



U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF PLANT INDUSTRY— BULLETIN No. 8. 



B. T. GALLOWAY. Chief 61 Bureau. 



PREPARED FOR DISTRIBUTION, 



FLORA AY. PATTERSON. Mycologist. 



VEGETABLE PATHOLOGICAL AND PHYSIOLOGICAL INVESTIGATIONS. 

 Issues February 3, 1902. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 190l>. 



