Issued January 26, 1913. 



U. S. DEPARTMENT OF* AGRICULTURE. 

 BUREAU OF PLANT INDUSTRY— BULLETIN NO. 252. 



B. T. GALLOWAY, Chief of Bureau. 



STUDIES OF FUNGOUS PARASITES BELONGING 

 TO THE GENUS GLOMERELLA. 



BY 



C. L. SHEAR, Pathologist, 



AND 



ANNA K. WOOD, Formerly Scientific Assistant, 

 Fruit-Disease Investigations. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1913. 



