<XfV 



LELAND STANFORD JUNIOR UNIVERSITY PUBLICATIONS 

 UNIVERSITY SERIES 



A Morphological Study 



of some members of the 



Genus Pallavicinia 



BY 



DOUGLAS HOUGHTON CAMPBELL 

 Professor of Botany 



AND 



FLORENCE WILLIAMS 



WITH TWENTY-THREE FIGURES 



[Issued April 30, 1914] f 



STANFORD UNIVERSITY, CALIFORNIA 



PUBLISHED BY THE UNIVERSITY 



I914 



