U. S. DEPARTMENT OF AGRICULTURE. 



DIVISION OF VEGETABLE PATHOLOGY. 



BULLETIN No. 1. 

 ADDITIONAL EVIDENCE 



ON THE 



COMMUNICABILITY OF PEACH YELLOWS 



AND 



PEACH ROSETTE. 



BY 



ERWIN F. SMITH, So. D., 



SPECIAL AGENT. ' 



PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 1891. 



