, a ntr 



BOTANY, 



A SIMPLE INTRODUCTION TO 1HE 



COMMON PLANTS OF THE UNITED STATES 



EAST OF THE MISSISSIPPI, 



BOTH WILD AND CULTIVATED. 



BY ASA GRAY, 



FISHER PROFESSOR OF NATURAL HISTORY IN HARVARD UNIVERSITY. 



NEW YORK: 



IVISON, BLAKEMAN, TAYLOR, & COMPANY, 

 138 & 140 GRAND STREET. 



1875. 



