/ 



Reprint, with additions, May 27, 1911. 



U. S. DEPARTMENT OF AGRICULTURE. 

 ' ' BUREAU OF PLANT INDUSTRY— BULLETIN NO. 165. 



B.T.GALLOWAY Chief of Bureau. 



APPLICATION OF SOME OF THE PRINCIPLES 

 OF HEREDITY TO PLANT BREEDING. 



BY 



W. J. SPILLMAN, 



Agriculturist in Charge of the Office 

 OF Farm Management. 



Issued December 31, 1909. 



WASHINGTON: 

 GOVERNMENT PRINTING OFFICE. 

 1911. 



