GRAY'S BOTANICAL TEXT-BOOK. 



(SIXTH EDITION.) 

 VOL. II. 



PHYSIOLOGICAL BOTANY. 



i. 



OUTLINES OF THE HISTOLOGY OF 

 PH^ENOGAMOUS PLANTS. 



IT. 







VEGETABLE PHYSIOLOGY. 



BY 



GEORGE LINCOLN GOODALE, A.M., M.D., 



* 

 PROFESSOR OF BOTANY IN HARVARD UNIVERSITY. 



IVISON, BLAKEMAN & COMPANY, 



PUBLISHERS, 

 NEW YORK AND CHICAGO. 



