NEW-WORLD SCIENCE SERIES 



Edited by John W. Ritchie 



SCIENCE 

 OF PLANT LIFE 



A High School Botany 



Treating of the Plant and Its Relation 



to the Environment 



by 

 Rdgar Nelson Trans eau, Ph. ); 



Professor of Botany, The Ohio State University 



ILLUSTRATED 



with engravings, diagrams, and maps 

 and with 120 original drawings by 



Robert J. Sim 



Yonkers-on-Hudson, New York 



WORLD BOOK COMPANY 



1921 



