THE CARBONIFEROUS PERIOD. 



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modern Club-mosses (Lyeopodiacea). They are amongst the 

 commonest and most characteristic of the Carboniferous 



Fig. no. Lepidodendron Sternbergii, Carboniferous, Europe. The central figrtre 

 represents a portion ol tne trunk with its branches, much reduced in size. The right- 

 hand figure is a portion of a branch with the leaves partially attached to it ; and the left- 

 hand figure represents the end of a branch bearing a cone of fructification, 

 v 



plants; and the majority of the "spore-cases" so commonly 

 found in the coal appear to have been derived from the cones 

 of Lepidodendroids. 



