SMITH SON I AN INSTITUTION 

 UNITED STATES NATIONAL MUSEUM 



CONTRIBUTIONS 



FROM THE 



United States National Herbarium 



Volume X, Part 7 



STUDIES OF TROPICAL AMERICAN 

 FERNS-No. 1 



By WILLIAM R. MAXON 



LIBRARY 

 NEW YORK 

 BOTA s 



(iAR» 



WASHINGTON 



GOVERNMENT PR I NT INC OFFICE 



1908 



