JNITED STATES DEPARTMENT OF AGRICULTURE 
MISCELLANEOUS PUBLICATION NO. 650 
| LONCHOCARPUS, DERRIS, AND PYRETHRUM 
CULTIVATION AND SOURCES OF SUPPLY ”* 
By 
E. C. HicBre 
Senior Agronomist 
Technical Collaboration Branch 
Office of Foreign Agricultural Relations 
Washington, D. C. 
May 1948 
