SYNOPTICAL 



FLORA OF NORTH AMERICA. 



By ASA GRAY, LL.D., 



F.M. R.S. & L.S. Lond., R.I.A., Roy. Soc. Upsala, Stockholm, Gottingen; 

 Roy Acad. Sci. Munich, Berlin, &c. ; Corresp. Imp. Acad. Sci. St. Petersburg, &c. 



FISHEK PROFESSOK OF NATURAL HISTORY (bOTANY) IN HARVARD UNIVERSITY. 



Vol. II. —Part I. 

 Gamopetal^ after Composite, 



NEW YORK: 

 JVISON, BLAKEMAN, TAYLOR, AND COMPANY. 



LONDON: TRUBNER & CO., LUDGATE HILL. 



LEIPSIC: T. O. WEIGEL. 



May, 1878. 



