PLATE XXX. 

 Pecopteeis pseudovestita D. W. 



(Page 85.) 



. 1. Segment showing pinnatifid pinnules and young pinn* of tliis species. Small Aphlehiai are 

 present at the bases of the second lateral pinna from helow on the left, and of the fourth 

 on the right. U. S. Nat. Mus., 5725. 



1(1. Enlarged detail of pinnatifid pinnules in upper portion of same. X2. 



16. Detail of young pinna from left middle of Fig. 1. x2. 



Ic. Enlarged detail of young pinna in lower right of the slab. The nervation is too close and 

 too much divided in the upper lobes. x2. 



370 



