.EHO x is OIxU & 



U. S. DEPARTMENT OF AGRICULTURE. 

 BUREAU OF PLANT INDUSTRY— BULLETIN NO. 105. 





B. T. GALLOWAY, Chief of Bureau. 



THE RELATION OF THE COMPOSITION 



OF THE LEAF TO THE BURNING 



QUALITIES OF TOBACCO. 



WIGHTMAN W. GARNER, 



Scientific Assistant, Tobacco Breeding Investigations, 

 Bureau of Plant Industry. 



Issued June 8, 1907. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE 



1907. 



