Bulletin No. 20. 



U.S. DICPAklMENT Ol- A( '.RICUL'rURl 



DIVISION OF VEGETABLE PHYSIOLOGY AND PATHOLOGY. 

 B. T. GALL-OWAY, Chief. 



V. I". 1'. -7J 



PEACH LEAF CURL: 



ITS NATURl: AND TREATMENT, 



BY 



NEWTON B. PIKRCE, 



lu Charge of Pacific Coast Laboratory, Santa Ana, California. 



WASHINGTON: 



(JOVERNMENT PRINTING OFP'ICE. 

 1000 



