a 
THE PRESENT STATUS OF THE 
TOBACCO BLUE-MOLD (PERONOSPORA) 
DISEASE IN THE GEORGIA- 
FLORIDA DISTRICT=*=— | 
ERWIN F. SMITH 
Pathologist in Charge 
and 
R. E. B. MCKENNEY 
Pathologist, Laboratory of Plant Pathology 
UNITED STATES DEPARTMENT OF AGRICULTURE 
DEPARTMENT CIRCULAR 181 
Contribution from the Bureau of Plant Industry 
(Laboratory of Plant Pathology) : | 
WM. A. TAYLOR, Chief | 
Washington, D. C. June 7, 1921 
WASHINGTON : GOVERNMENT PRINTING OFFICE : 1928 
OE _——- 
