U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF PLANT INDUSTRY^ BULLETIN NO. 105. 



B. T. GAL1.0WAY, Chief of Bureau. 



THE RELATION OF THE CO:\IPOSTTTON 



OF THE LEAF TO THE BURNING 



QUALrriES OF TOBACCO. 



BY 



WIGHTMAX W. GARNER, 



Scientific Assistant, Tobacco Brkeding Investigations, 

 Bureau of Plant Industry. 



Issued June 8, 1907. 



NEW vo.^ , 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1907. 



