DESCRIPTION OF PLATES. PP. 123 



Plate V. 



Figs. 1-4. Splienopteris minutisecta, Spec. nov. 



" 1. Sphenopteris minutisecta. A portion of the 



frond from towards the base. 



" 1". A pinna of the same enlarged. 



" 2. A portion of the same plant from higher up 



in the frond. 



" 3. A portion of the same plant from the sum- 



mit of a compound pinna. 



" 4. A portion of the same from near the sum- 



mit of the frond. 



" 4°. A pinnule of the same enlarged. 



" 5. Sphenopteris coriacea, Spec. nov. 



" 5**. Pinnules of the same enlarged. 



" 6. A fragment of a pinna. 



" 7. Sphenopteris dentata, Spec, nov. 



" 1°-. Pinnules of the same enlarged. 



" 8. A fragment of the same from lower down 



in the frond. 



" 9. Sphenopteris foliosa, Spec nov. A pinna. 



" 9". A pinna of the same enlarged. 



" 10. Fragment of an ultimate pinna from a low- 



er part of the frond. 



" 11. A fragment from near the summit of a com- 



pound pinna of the same plant. 



Plate VI. 



Fig. 1. Sphenopteris Lescuriana, Spec. nov. 

 " 1. Sphenopteris Lescuriana. A compound pinna. 



" 1°. A portion of the extremity of one of the ul- 



timate pinnae of the same enlarged. 

 " 1^. Pinnules of the same enlarged. 



Plate \ll. 



Fig. 1. Summit of the compound pinna given in 



Fig. 1, Plate VI. (The size of the plate 

 did not permit the insertion of the entire 

 figure on one plate.) 



