SMITHSONIAN MISCELLANEOUS COLLECTIONS, 



591 



SYNOPTICAL 



FLORA OF NORTH AMERICA, 



THE GAMOPETAL^ 



A SECOND EDITION OF 

 VOL. I, PART II, AND VOL. II, PART I, COLLECTED. 



BY ASA GRAY, LL. D. 



WASHINGTON, D. C. 

 PUBLISHED BY THE SMITHSONIAN INSTITUTION. 



1888. 



