GRAY'S 



LESSONS IN BOTANY 



VEGETABLE PHYSIOLOGY, 



ILLUSTRATED BY OVER 360 WOOD ENGRAVINGS, FROM ORIGINAL 

 DRAWINGS, BY ISAAC SPRAGUE. 



TO WHICH IS ADDED A COPIOUS 



GLOSSARY, 



DICTIONARY OF BOTANICAL TERMS. 



BY ASA GRAY, 



FISHER PROFESSOR OF NATURAL HISTORY D? HARVARD UNIVERSITY. 



IVISON, BLAKEMAN, TAYLOR & CO, 



NEW YOEK AND CHICAGO. 



1879. 



