GRAY'S 



LESSONS IN BOTANY 



AND 



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 IN HARVARD CNIVERStTY. 



IVISON, BLAKEMAN, TAYLOR & CO., 



NEW YORK AND CHICAGO 



