﻿Explanation of Plate XLVII 



Aneimites fertilis n. sp. 



Page 323. 



Fig. 1. Fragments of primary (?) pinnae, showing pinnules of largest pro- 

 portions. 



Fig. 2. Portion of the sterile frond, exhibiting typical pinnae of the average 

 proportions. 



Figs. 20 and 2&. Pinnules enlarged to twice the natural size to show the ner- 

 vation, and the details of the very thin lamina. 



Fig. 3. Fragment of pinna, showing the smallest pinnules observed. The 

 specimen is mingled with fertile fragments. 



Fig. 4. Fragment of pinna with reduced pinnules, probably proximal to the 

 fertile portions. 



Fig. 40. Mature and detached seed, enlarged to twice the natural size. 



The originals, from Nuttall, W. Va., are in the collections of the 

 U. S. National Museum. 



