INTRODUCTION TO 

 BOTANY 



BY 



JOSEPH Y. BERGEN; A.M. 



AUTHOR OF "PRACTICAL BOTANY," "ESSENTIALS OF BOTANY" 

 "PRIMER OF DARWINISM," ETC. 



AND 



OTIS W. CALDWELL, PH.D. 



AUTHOR dF "PRACTICAL BOTANY," " PLANT MORPHOLOGY" 



AND "LABORATORY MANUAL OF BOTANY" 



ASSOCIATE PROFESSOR OF BOTANY IN THE SCHOOL OF EDUCATION 

 THE UNIVERSITY OF CHICAGO 



From the Library 



of 

 R. B.Thomson /VS 



GINN AND COMPANY 



BOSTON NEW YORK CHICAGO LONDON 



