THE 
SILVA OF NORTH AMERICA 
A DESCRIPTION OF THE TREES WHICH GROW 
NATURALLY IN NORTH AMERICA 
EXCLUSIVE OF MEXICO 
BY 
CHARLES SPRAGUE SARGENT 
DIRECTOR OF THE ARNOLD ARBORETUM 
OF HARVARD UNIVERSITY 
Gilustrated with figures and Analyses drawn from Mature 
BY 
CHARLES EDWARD FAXON 
SUPPLEMENT 
VOLUME XIII 
RHAMNACEHA—ROSACEH 
BOSTON AND NEW YORK 
HOUGHTON, MIFFLIN AND COMPANY 
Zhe thivergive Press, Cambridge 
MpDcCcCCIZ 
