SYNOPTICAL 



FLORA OF NORTH AMERICA: 



BY ASA GRAY, LL.D., 



F.M. R S.& L.S. Lend., R.I.A. Dubl., Phil. Soc. Cambr., Roy. Soc. Upsala, Stockholm, Gottingen, Edinb. ; 

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

 Roy. Acad. Berlin, and Acad. Sci. Instil. France. 



FISHER PROFESSOR OF NATURAL HISTORY (BOTAJSY) IN HARVARD UNIVERSITY. 



VOL. II. PART I. 

 GAMOPETAL^: AFTER COMPOSITE. 



SECOND EDITION. 



bg tfa Smithsonian ^Institution, 



NEW YORK: 

 IVISON, BLAKEMAN, TAYLOR, AND COMPANY. 



LONDON : WM. WESLEY, 28 ESSEX ST., STRAND, 

 AND TRUBNER & CO. 



LEIPSIC: OSWALD WEIGEL. 

 JANUARY, 1886. 



