ELEMENTARY FLORA 

 OF THE NORTHWEST 



BY 

 THEODORE C. FRYE, Ph.D. 



PROFESSOR OF BOTANY IN THE UNIVERSITY OF WASHINGTON 

 AND 



GEORGE B. RIGG, Ph.D. 



ASSOCIATE PROFESSOR OF BOTANY IN THE UNIVERSITY 

 OF WASHINGTON 



AMERICAN BOOK COMPANY 



NEW YORK CINCINNATI CHICAGO 



BOSTON I^S ATLANTA 



