■ PLATE LITI. 

 Lepidodendbon British Lx. 



(Page 188.) 



Fig. 1. Branch with many narrow, tapering leaves. The latter are slightly reflexed. The outlines of 

 the slender, fusiform bolsters are faintly seen, the corrugation heino- visible U S Nat 

 Mus.,6040. • ' ■ 



la. Enlarged detail, showing form and ornamentation of a bolster of the same. The appendages 

 are delineated too distinctly. x2. 



Lepidodendbon lanceolatiim Lx. 



(Page 192.) 



Fig. 2. Forking branch, showing diamond-shaped bolsters. The latter are a little distant. Collection 

 of Dr. J. H. Britts, Clinton, Missouri. 

 2a. Enlarged detail of two bolsters of the same, showing the very slight altitude of the leaf scars, 

 which are distinctly directed upward, and the ligular trace just above the leaf scar!' 

 X2. 



