GRAY'S BOTANICAL SERIES 



Gray's How Plants Grow 



Gray's How Plants Behave 



Gray's Lessons in Botany 



Gray's Field, Forest, and Garden Botany 



(Flora only) 



Gray's School and Field Book of Botany 



(Lessons and Flora) 



Gray's Manual of Botany. (Flora only) 

 Gray's Lessons and Manual of Botany 



Gray's Botanical Text-Book 

 I. Gray's Structural Botany 

 II. Goodale's Physiological Botany 



Coulter's Manual of Botany of the Rocky 



Mountains 

 Gray and Coulter's Text-Book of 



Western Botany 



Copyright, 1879, by ASA GRAY 

 Copyright, 1907, by 



PRESIDENT AND FELLOWS OF HARVARD COLLEGE 



OKAY'S STRUCTURAL BOTANY 

 w. p. ;i3 



