248 LYELL'S ELEMENTS OP GEOLOGY. 



Fossil Plants of the Coal Strata. 



Fig. 249. 



Pecopteris lonchittca. 

 (Foss. Flo. 153.) 



Fig. 251. 



Sigillaria Lindleyi, Brong. 

 {Caulopteris primava, Lindley.) 



Fig. 250. 



a. Sphenopteris crenata. 



b. The same, magnified. 



(Foss. Flo. 101.) 



Fig. 252. 



Sigillaria Imvigaia, Brong. 



