PLANT ANATOMY 



FROM THE 



STANDPOINT OF THE DEVELOPMENT 

 AND FUNCTIONS OF THE TISSUES 



AND 



HANDBOOK OF MICRO-TECHNIC 



BY 



WILLIAM CHASE STEVENS 



PROFESSOR OF BOTANY IN THB UNIVERSITY OF KANSAS 



SECOND EDITION, REVISED AND ENLARGED 

 WITH 152 ILLUSTRATIONS 



PHILADELPHIA 



P. BLAKISTON'S SON & CO 



1012 W ALN UT STREET 

 1911 



