A UNIVERSITY TEXT -BOOK 



OF 



BOTANY 



BY 



DOUGLAS HOUGHTON CAMPBELL, PH.D. 



//; 



PROFESSOR OF BOTANY 

 IN THE LELAND STANFORD JUNIOR UNIVERSITY 



WITH MANY ILLUSTRATIONS 



SECOND EDITION REVISED AND CORRECTED 



Nefa gorfc 

 THE MACMILLAN COMPANY 



LONDON: MACMILLAN & CO., LTD. 

 1910 



All rights reserved 



