UNIVERSITY BULLETIN 
NEW SERIES, SEPTEMBER, IQI5 VOL. XVII, NO. Io 
UNIVERSITY OF MICHIGAN 
BOTANICAL GARDEN AND ARBORETUM 
MICHIGAN TREES 
A HANDBOOK OF THE NATIVE AND MOST 
IMPORTANT INTRODUCED SPECIES 
By 
CHARLES HERBERT OTIS, rormeriy Curator 
WITH AN INTRODUCTION BY 
GEORGE PLUMER BURNS, rormeRLy Director 
Ann Arbor 
PUBLISHED BY THE REGENTS 
1915 
