GllAY'S 



LESSONS IN BOTANY 



ANI> 



VEGETABLE PHYSIOLOGY, 



ILLDSTRATED BY OVKR 360 WOOD ENGRAVINGS, FROM ORIGINAL 

 DRAWINGS, BY ISAAC SPRAGUE. 



TO WHICH 18 ADDED A COPIOUS 



GLOSSARY 



DICTIONARY OF BOTANICAL TERMS. 



By ASA GRAY, 



nSnER PROFESSOR OP KATUR-VL HISTORY LN HARVARD UNirERStTT. 



IVISON, BLAKEMAN, TAYLOR & CO, 



NEW YOUK AXD CHICAGO, 



1877- 



