THE FERNS 



(FILICALES) 



TREATED COMPARATIVELY WITH A VIEW 

 TO THEIR NATURAL CLASSIFICATION 



VOLUME II 



THE EUSPORANGIATAE AND OTHER 

 RELATIVELY PRIMITIVE FERNS 



f BY 



X) 



F^ O: BOWER, Sc.D., LL.D., F.R.S. 



EMERITUS PROFESSOR OF BOTANY 

 IN THE UNIVERSITY OF GLASGOW 



CAMBRIDGE 



AT THE UNIVERSITY PRESS 

 1926 



