TWENTIETH CENTURY TEXT-BOOKS 



PLANT STUDIES 



AN ELEMENTARY BOTANY 



BY 



JOHN M. COULTER, A.M., Ph.D. 



HEAD OF iJEl'AKTiMENT OF IIOTANY 



UNivEKsrrv of cjiicago 



NEW YORK 

 D. APPLETON AND COMPANY 

 iqoo 



