SMITHSONIAN INSTITUTION 

 U N I T ED S T A T E S N A T I O N A I. M U SHUM 



CONTRIBUTIONS 



FROM THE 



United States National Herbarium 



Volumh X. Part 1 



NORTH AMERICAN SPECIES 

 OF FESTUCA 



By CHARLES V. PIPER 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 

 1 906 



