PLATE XLV. 



Aphlebia sp. 



(Page 112.) 



Fig. 1. Large axis, 3.5 cm. iu diameter, clothed by large, oblong, chafty or foliar scales. On the right 

 is seen au expanded Aphlebia comparable to A. Lactuca. U. S. Nat. JMiis., 5727. 



Sphbnopteris sp. 



Fig. 2. Fragment showing lax habit of decurrent pinme and lobes. U. S. Nat. Mus., 5815. 

 2a. Enlarged detail showing nervation of the same. x2. 



jSTEUROPI'ERIS missouriensis Lx. 



(Page 130.) 

 Fig. 3. Pinna showing very large pinnules of the species. U. S. Nat. Mus., 5630. 



Lepidodendron scutatum Lx. 



(Page 198.) 



Fig. 4. Cortex of compressed branch showing leaf cushions and leaf scars. U. S.Nat. Mus., 6044. 

 Other examples of this species are illustrated in PI. LIV, Fig. 5, and PI. LV, Figs. 1, 2. 



