TL9t 



"RECEIVED 



1^ MAY 18 1944 ^ 



C, E. C^avv 



Issued May 11, 1908. 



U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF PLANT INDUSTRY— Circular No. 3. 

 B. T. GALLOWAY, Chief of Bureau. 



SOME STEM TUMORS OR KNOTS ON APPLE 



AND QUINCE TREES. 



GEORGE G. HEDGCOCK, Scientific Assistant, 

 Investigations of Diseases of Fruits. 



GOVERNMENT PRINTING OFFICE : WASHINGTON ; 1908 



