Tab. CXVIII. 



Pell^a Boivini, Hook. — p. 147. 



Fig. 1. Fertile frond; nat. size. Fig. 2. Upper side of a fertile 



pinnule; and Fig. 3. Under side of fertile pinnules; may- 



nijied. 



Pell.^a Skinneri, Hook. — p. 141. 



Fig. 1 . Fertile frond ; nat. size. Fig. 2. Fertile segment, seen 

 from beneath ; magnified. 



