Tab. CXXVIII. 



A. Pteris (Eupteris) gracilis, Fee. — p. 172. 



Fig. 1. Sterile pinna; nat. size. Fig. 2. Fertile portion of a 

 frond, seen from beneath ; nat. size. Fig. 3. Sterile seg- 

 ment ; 7nagnified. Fig. 4. Fertile segment, seen from be- 

 neath; magnified. 



B. Pteris (Eupteris) semidentata, Fee. — p. 172. 



Fig. 1. Portion of a fertile frond, seen from beneath; nat. size. 

 Fig. 2. Fertile segment, seen from above; magnfied. Fig. 3. 

 Fertile segment, seen from beneath ; magnified. 



