U. S. DEPARTMENT OF AGRICULTURE. 

 BUREAU OF PLANT INDUSTRY— BULLETIN NO. 144. 



B. T. GALLOWAY, Chief of Bureau. 



APPLE BLOTCH, 



A SERIOUS DISEASE OF SOUTHERN ORCHARDS. 



W. M. SCOTT, Pathologist, 



5 

 AND 



JAMES B. RORER. Assistant Pathologist, 

 Fruit Disease Investigations. 



Issued Mabch 6, 1909. 



WASHINGTON: 



government printing OFFICE. 



1909. 



