U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF PLANT INDUSTRY -BULLETIN NO. 44. 



B. T. GALLOWAY, Chk'f of Bureau. 



m 



THE BITTER ROT OF APPLES. 



11V 



HERMANN VON SCIIRENK, 



Special Agent in Charge of the Mississippi Valley 



Laboratory, 



LIBRARY 



NEW YORK 

 BOTANICAL 



A X I ) 



GARDFN 



PERLEY SPAULDING, Special Agent: * 



VEGETABLE PATHOLOGICAL AND PHYSIOLOGICAL 

 INVESTIGATIONS. 



Issued July In, 1903. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 1903. 



