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 
Fllustrated with figures and Analyses drawn from Mature 
BY 
CHARLES EDWARD FAXON 
AND ENGRAVED BY 
PHILIBERT ann EUGENE PICART 
VOLUME IV. 
ROSACEA —SAXIFRAGACEA 
BOSTON AND NEW YORK 
HOUGHTON, MIFFLIN AND COMPANY 
Qhe Riverside Press, Cambridge 
MDCCCXCII 
Bissount Boranrane 
MWanoey Liandng 
