KEY TO THE GENERA 



3 



Botrvchium. 



Fruit borne in a more or less 

 branching spike rising 

 above the sterile fro-nd. 

 Grape Ferns; Moonwort. 



BOTRYCHIUM. 



PAGE 



186 



Fruit borne in a one-sided 

 spike; sterile fronds almost 

 thread-like ; plants small. 

 Curly Grass. 



ScHiZAEA. 172 



Schizaea. 



Lygodium. 



Fruiting portion at the apex 

 of the frond; sterile pin- 

 nae or frondlets small^ di- 

 vided into finger-like lobes ; 

 rachis twining. Climbing 

 Fern. 



Lygodium. 174? 



