U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF PLANT INDUSTRY— Circular No. 113. 

 B. T. GALLOWAY, Chief of Bureau. 



MISCELLANEOUS PAPERS. 



Soil Bacteriology as a Factor in Crop Production 

 A New Ornamental Palmetto in Southern Texas . 



Commercial Truck Crops on the Truckee-Carson Project 



K. F. KELLERMAN 



0. F. COOK 



|F. B. HEADLEYand 

 VINCENT FULKERSON 



A Purple-Leaved Mutation in Hemp 



The Tuber-Unit Method of Seed-Potato Improvement 



. L. H. DEWEY 

 WILLIAM STUART 



Issued February 15, 1913. 





WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1913. 



