A COLLEGE TEXT-BOOK 



OF 



BOTANY 



BEING AN ENLARGEMENT OF THE AUTHOR'S 

 "ELEMENTARY BOTANY" 



BY 



GEORGE FSt/:S T 'fclS ATKINSON, PH.B, 

 Professor of Botany in Cornell University 



SECOND EDITION, REVISED 



NEW YORK 

 HENRY HOLT AND COMPANY 



