AMERICAN SCIENCE SERIES 



BOTANY 



FOR 



HIGH SCHOOLS AND COLLEGES 



BY 



CHARLES E. BESSEY, PH.D., 



PROFESSOR OP BOTANY IN THE UNIVERSITY OF NEBRASKA ; FORMERLY PROFESSOR OF 



BOTANY IN THE IOWA AGRICULTURAL COLLEGE; ASSOCIATE EDITOR OF 



THE "AMERICAN NATURALIST" (DEPARTMENT OF BOTANY) 



SIXTH EDITION, REVISED 



NEW YORK 

 HENRY HOLT AND COMPANY 



1889 





