xv] 



LEPIDODENDRON 



111 



Binney's designation is therefore retained for the anatomical type 

 described in the following pages \ 



The most detailed account hitherto published of the anatomy 

 of Lepidodendron vasculare is that by the late M. Hovelacque^ 

 based on material from the Lower Coal-Measures of England. 



Fig. 148. Lepidodendron vasculare Binney. 



A. Transverse section. (Based on a section 2'5 cm. in diameter, in 

 the Cambridge Botany School Collection.) 



B. Longitudinal section. (Drawn from a section in Dr Kidston's 

 Collection.) 



The small shoot, represented somewhat diagrammatically 

 in fig. 148, A, illustrates the anatomical features of a typical 

 example of the species : the shoot has a diameter of 2-5 cm. and 

 its central cylinder (x — sc) is 2"5 mm. in width. 



1 Seward (06) p. 372. ^ Hovelaoque (92). 



