Tab. CXXVI. 



A. Pteris (Litobrochia) articulata, j/TZ/Jj. — p. 214. 



Fig. 1. Portion of a fertile frond; nat. size. Fig. 2. Portion 

 of a fertile pinna, seen from beneath ; magnified. Fig. 3. 

 Sterile pinna ; nat. size. Fig. 4. Portion of the same, 

 showing the venation ; magnified. 



B. Pteris (Litobrochia) Burkeana, Hook. — p. 213. 

 Fertile frond ; nat. size. Fig. 1 . Fertile pinnule, seen from be- 

 neath ; and fertile portion of the same, showing the sorus 

 and the venation ; magnified. 



