77., 



_ 



JtET NATURAL HISTORY No. 1 



Price 15 cents 

 >tanical Series No. 1 Published January, 1922 



TREES OF OHIO 



IDENTIFIED BY THEIR LEAVES 



HAROLD L. MADISON 



Curator of Education 



THE CLEVELAND MUSEUM OF NATURAL HISTORY 



Paul Marshall Rea, Director 



Cleveland, Ohio 



I 



