I. FJLICES. 



897 



Cyathea. 



Indnsium seen in front, 

 beginning to open. 



Cyathea. 

 Sporangium (mag.). 



Cyathea. 



Indusium opened, showing 

 the sporangia. 



Nephrodiwn. Nephrodium. 



Sporangium Dehiscing sporan- 

 closed (mag.). gium (mag.). 



Portion of frond (m*g.) 



Angiopleris. 



Portion of fructiferous 



frond. 



Cyathea. 

 Portion of fructiferous frond. 



Lfnchttis. 



Portion of fructiferous 

 frond. 



Angioptens. 

 Portion of frond (mag.). 



Marattia. 

 Portion of fructi- 

 ferous frond. 



3M 



