SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 60, NUMBER 4 



RUBELZUL COTTON: A NEW SPECIES OF 

 GOSSYPIUM FROM GUATEMALA 



With Two Plates 



BY 

 FREDERICK L. LEWTON 





(Publication 2144) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



OCTOBER 21, 1912 



