174 



On the Pre-carhomferoiis Flora of 



perfect specimens will be required to render this identification 

 certain. 



2. Lepidostrohus Richardsoni. — S. n. 

 (Fig. 10.) 



Fig. 10 — Lepidostrohus Richardsoni. 

 (a) Pinnule magnified. 



Description. — Axis not distinctly preserved, form cylindrical ? — scales 

 oblong with an obscure midrib. 



I refer to tlie above genus with some hesitation, a well char- 

 acterised but very puzzling organism, discovered by Mr. Richard- 

 son at Perry. It consists of an indistinct but apparently thick 

 stem or axis, with equally pinnate leaves, which seem to have 

 been thick and oblono- and show traces of a midrib. It resembles 

 a perfectly flattened Lepidostrohus, more than anything else ; but 

 it may have been a branch of a conifer with pinnate leaves. 



3. Lepidostrohus^ 



S. n. 



In Mr. Richardson's collection from Perry, is a rounded and 

 flattened object, Ij inch in diameter, apparently covered with 

 thick pointed scales. It seems to be a Lepidostrohus quite distinct 

 from the last 



4. Lepidodendron Gaspianum.—'mih.], 



In a specimen in the collection of the Natural History Society 

 of Portland, there is a branch of Lepidodendron, 1^ inches in 

 length, J inch in diameter at the larger end, and J inch in dia- 



