DIRECTIONS FOR COLLECTING 



FLOWERING PLANTS 



AND FERNS 



S. F. BLAKE, Assistant Botanist 



UNITED STATES DEPARTMENT OF AGRICULTURE 

 DEPARTMENT CIRCULAR 76 



Contribution from the Bureau of Plant Industry 

 (Office of Economic and Systematic Botany) 

 WM. A. TAYLOR, Chief 



Issued January, 1920 

 Washington, B . C. Slightly revised October, 1932 



U. S. GOVERNMENT PRINTING OFFICE: 1932 



