SMITHSONIAN INSTITUTION 



UNITED STATES NATIONAL MUSEUM 



CONTRIBUTIONS 



FROM THE 



United States National Herbarium 



Volume XH 



V n 



<^ > 



AiilW 



FLORA OF THE STATE OF 

 WASHINGTON 



.>( 



By CHARLES V'^ PIPER 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



19 6 i 



