©Ijc Commonrocaltl) of ittassacljusctts 



STATE BOAKD OF AGRICULTUKE. 



CIRCULAR No. 12. 



January, 1914. 



APPLE DISEASES. 



By GEORGE E. STONE, Ph.D., Amherst, Mass., 

 Botanist, Massachusetts State Board of Agriculture. 



BOSTON: 



WEIGHT Sc POTTER PRINTING CO., STATE PRINTERS, 



32 DERNE STREET. 



1914. 



