>, DEPARTMENT OF AGRICULTURE. 
DIVISION OF VEGETABLE PATHOLOGY. 
BULLETIN No. 3. 

i fe oD oe © mv 
ON THE 
EXPERIMENTS MADE IN 1891 
IN TUE 
TREATMENT OF PLANT DISEASES. 
BY 
er AO W ACY. 
PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE, 
