rJ^ 



DIRECTIONS FOR COLLECTING 



FLOWERING PLANTS 



AND FERNS 



Mar 



S. F. BLAKE, Assistant Botanist 



Has been rev. 



—see rev>ed. 

 binders at 

 end of file. 



UNITED STATES DEPARTMENT OF AGRICULTURE 

 DEPARTMENT CIRCULAR 76 



Contribution from the Bureau of Plant Industry 

 (Office cf Economic and Systematic Botany) 

 WM. A. TAYLOR, Chief 



Washington, D. C. 



January, 1920 



WASHINGTON : GOVERNMENT PRINTING OFFICE : 1920 



