SMITH SON I A N INSTfTU T ION 



UNI TE 1) ST A lis NATION A L M U SE I 



CONTRIBUTIONS 



FROM THE 



United States National Hekbakicm 



V< »lume X. Part 6 



THE CYPERACEAE OF COSTA RICA 





By C. B. CLARKE 



WASHINGTON 

 GOVERNMENT PRINTING OFFICE 



1908 



