iE-453 
LIBRARY 
STATE PLANT BOARD 
UNITED STATES DEPARTMENT OF AGRICULTURE 
BUREAU OF ENTOMOLOGY AND PLANT QUARANTINE 
DIVISION OF INSECTICIDE INVESTIGATIONS 
LONCHOCARPUS (BARBASCO, CUBE, AND TIMBO 
A REVIEW OF RECENT LITERATURE 
By 
R. C. ROARK 
Washington, D. C. 
October 1938 
