Issued June 2, 1911. 



U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF PLANT INDUSTRY— Circular No. 77. 



B. T. GALLOWAY, Chief of Bureau. 



A STUDY OF THE IMPROVEMENT OF CITRUS 

 FRUITS THROUGH BUD SELECTION. 



LIBRARY 



NEW YORK 

 BOTANJCAL 



BY 



OARDEIN. 



A. D. SHAMEL, 

 Physiologist, Field Investigations in Pomology. 



WASHINGTON : GOVERNMENT PRINTING OFFICE : 1911 



88655°— Cir. 77—1 1 1 



