U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF PLANT INDUSTRY— BULLETIN No. 49. 



B. T. GALLOWAY, Chief of Bureau. 



The Culture of the Central American Rubber Tree. 



BY 



O. F. COOK, 



Botanist in Charge of Investigations in Tropical Agriculture. 



BOTANICAL INVESTIGATIONS AND EXPERIMENTS. 



Issued October 1, 1903. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1903. 



