THE GEOGRAPHIC SOCIETY OF CHICAGO 



Bulletin No. 2 



THE PLANT SOCIETIES OF 

 CHICAGO AND VICINITY 



HENRY C. pOWLES 



dissociate Professor of Plant Ecology^ the University of Chicago 



PUBLISHED FOR THE GEOGRAPHIC SOCIETY OF CHICAGO 



BY 



THE UNIVERSITY OF CHICAGO PRESS 

 CHICAGO, ILLINOIS 



Agents 



THE BAKER & TAYLOR COMPANY, New York 



THE CAMBRIDGE UNIVERSITY PRESS, London and Edinburgh 



