U. S. DEPARTMENT OF AGRICULTURE. 
SECTION OF VEGETABLE PATHOLOGY. 
QUARTERLY BULLETIN. MARCH, 181)0. 
Vol. 6. No. I. 
THE 
JOURNAL OF MYCOLOGY: 
DEVOTED ESPECIALLY TO THE STUDY OF FUNGI 
IN THEIR RELATION TO PLANT DISEASES. 
EDITED BY 
THE CHIEF AND HIS ASSISTANTS. 
PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICR. 
1890 . 
