Tab. CLVl. 



Blechnum NiTiDUM, Pr. — Var. contracta. Hook. — p. 44. 



Portions of a fertile frond, seen from beneath ; nat. size. Fig. I. 

 Fertile pinna, seen from beneath ; magnified. Fig. 2. Por- 

 tion of a fertile pinna, seen from beneath, and the venation ; 

 more highly magnified. 



