UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN No. 545 



Joint Contribution from the Forest Service, HENRY S. GRAVES, Forester 

 and the Bureau of Plant Industry, WM. A. TAYLOR, Chief 



Washington, D. C. 



PROFESSIONAL PAPER 



October 8, 1917 



IMPORTANT RANGE PLANTS: 



THEIR LIFE HISTORY AND FORAGE VALUE 



By 



ARTHUR W. SAMPSON, Plant Ecologist, Forest Service 



CONTENTS 



Page 



Object of the Study * 



Character of the Range and Forage 



Studied • • 2 



General Morphology of Grasses ... 4 



Important Species . . . 



Summary 



Appendix: Plan of Study 



WASHINGTON 

 GOVERNMENT PRINTING OFFICE 



1917 



4 

 55 

 61 



