THE CARBONIFEROUS PERIOD. 167 
modern Club-mosses (Lycopodiacee). They are amongst the 
commonest and most characteristic of the Carboniferous 
Fig. 110.—Lepidodendron Sternbergi?, Carboniferous, Europe. The central figure 
represents a portion of 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. 
plants; and the majority of the “spore-cases” so commonly 
found in the coal appear to have been derived from the cones 
of Lepidodendroids. 
