PLATE XIII. 
Page. 
Fig. 1 and 8 . Alethopteris laxceolata, Spec, nov...308 
Fig. 2. Enlarged part of pinnule of the same. 
Fig. 4. Alethopteris emargixata, Gopp .308 
Fig. 5. Alethopteris Mazoniaxa. Lesqx. (Fruiting,)..301 
Fig. i3. Enlarged pinnule of the same. 
Fig. *7 and 9. Pecopteris Strongii, Spec, nov . 399 
Fig. S. An enlarged pinnule of fig. 1 . 
Fig. 10. Pecopteris squamosa, Lesqx., (Fruiting,) ..400 
Fig. 11. Enlarged part of the same. 
Fig. 12. Pecopteris ARGUTAj^Brgt., (Fruiting,)..... 402 
Fig. 13. Enlarged part'of the same. 
Fig. 14. Alethopteris Crenulata, Brgt., (Fruiting,) 392 
Fig. 15. Enlarged pinnules of the same. 
