BOTANY, 



A SIMPLE INTRODUCTION TO THE 



COMMON PLAITS OF THE UNITED STATES 



EAST OF THE MISSISSIPPI, 



BOTH WILD AND CULTIVATED. 



By ASA GRAY, 



FISHEB PKOFESSOK OF NATURAL HISTORY IN HARVARD UNIVERSITT. 



LlBRAkif 



INEW YORK 



BOTANICAL 



GARDEN. 



NEW YORK: 



IVISON, PHINNEY, BLAKEMAN, & CO. 



CHICAGO: S. C. GRIGGS & CO. 



1869. 



