Tab. CXIII. 



A. Pell^a dura, Hook. — p. 139. 



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

 pinna; and Fig. 3. Portion of a sorus ; magnified. 



B. Pteris (Heterophlebium) grandifolium, L. — p. 201. 

 Fig. 1. Fertile pinna; nat. size. Fig. 2. Portion of the same, 



showing the nature of the sorus and the venation ; mag- 

 nified. 



