U. S. DEPARTMENT OF AGRICULTURE. 
DIVISION OF VEGETABLE PATHOLOGY. 
Vol. 6. 
No. II. 
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 OFFICE. 
1890. 
