> DEPARTMENT OF AGRICULTURE. 
BUREAU OF PLANT INDUSTRY— BULLETIN NO. 141. 
B. T. GALLOWAY, Chief of Bureau. 
MISCELLANEOUS PAPERS. 
I. THE RELATION OF NICOTINE TO THE BURNING QUALITY OF TOBACCO. 
By WIGHTMAN W. GARNER, Scientific Assistant, 
Tobacco Investigations. 
Il. THE GRANVILLE TOBACCO WILT. 
By ERWIN F. SMITH, Pathologist in Charge of the 
Laboratory of Plant Pathology. 
Ill. THE FLORIDA VELVET BEAN AND ITS HISTORY. 
By KATHERINE STEPHENS BORT, Laboratory Aid, 
Forage Crop Investigations. 
IV. THE IMPORTANCE OF BROAD BREEDING IN CORN. 
3y G. N. COLLINS, Assistant Botanist. 
VY. THE PRESENT STATUS OF THE CHESTNUT-BARK DISEASE. 
By HAVEN METCALF, Pathologist in Charge, and J. FRANKLIN COLLINS, 
Special Agent, Investigations in Furest Pathology. 
IssuED SEPTEMBER 30, 1909. 
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WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1909, 
