Tab. CXI. 



A. Pell^a paradoxa, Hook. — p. 135. 



A young entire (simple) and sterile frond ; 7iat. size. Fig. 1 . 

 Two fertile pinnae, upper side. Fig. 2. Fertile pinna, under 

 side. Fig. 3. Portion of a very young fertile pinna to shovA' 

 the immature involucre and the veins ; magnified. Fig. 4. 

 Portion of a sorus, showing the receptacle of the sorus ; 

 magnified. 



B. Pell-ea falcata, y. nana. Hook. — p. 136. 



Fig. 1. Fertile frond of var. nana; nat. size. Fig. 2. Under 

 side of a fertile pinna; and Fig. 3. Portion of a sorus; 

 magnified. 



