172 FOSSIL PLANTS. 



Dr. Williamson's statement that " The specimen now described is unques- 

 tionably not a Lomatophloios, but a true Lepidodendron, which is equivalent 

 to saying that it is not a Lepidophloios but a Lepidodendron.'" 



Sigillaria Menardi, Goldenberg (Flora Sarsep. Foss. pi. vii. fig. 1), appears 

 to be referable to L. laricinus. The central point of the leaf-scars of this 

 figure is probably the tubercle with which the leaf supporting pedicels of 

 this plant are frequently provided, as pointed out by Weiss.* U. tumidum, 

 Carr., the type of which is in the Collection, is, I think, also referable to 

 L. laricinus. The leaf -scars are not well preserved on his type, but it pro- 

 bably finds its place here. It is not, at any rate, a Ulodendron as defined by 

 Lindley and Hutton, for it shows more than two rows of the larger scars on 

 the circumference of the stem, a third row appearing on the side not shown 

 in Mr. Carruthers' figure. 



Halonia tuberculata, Eichwald (Lethaea Eossica, vol. i. p. 148, pi. xi.), is 

 another instructive example- as illustrating the affinities of Halonia. The 

 core out of this specimen is a typical Halonia, the impression Lepi- 

 dophloios. In such examples as these a layer of cortical tissue from between 

 the core and the impression has evidently been removed by decay, after the 

 cortical cylinder had been filled with sediment and the impression of the 

 outer surface of the bark had been imparted to the surrounding matrix. An 

 example in the Collection shows the same conditions a removable Halonia 

 core from a Lepidophloios impression. 



The plant figured as Knorria Sellonii, by Lindley and Hutton (Fossil Flora, 

 vol. ii. pi. xcvii.), appears to be a compressed specimen of Lepidophloios. I 

 have examined this type in the "Hutton Collection," of which their plate 

 does not give a very correct idea. 



I am unable to discover from what evidence Eenault has restored his Lepi- 

 dophloios, as represented in his Cours d. Botan. Foss. 1882, pi. xi. fig. 1. It 

 appears to possess the large scars of one genus and the leaf -scars of another. 



Horizon. Coal Measures. 



Localities. British. Staffordshire : Ipstones. 



Foreign. Bohemia : Radnitz. Silesia : Waldenburg. 



Lepidophloios carinatus, Weiss. 



Lepidophloios carinatus. 



Weiss, Foss Flora d. Jung. Steink. u. d. Both. p. 155. 



Lepidophloios laricinus. 



Goldenberg, Flora Saraep. Foss. heft iii. p. 45, pi. xv. fig. 9 (named on 



plate, Lepidophloios inacrolepidotus). 

 Schimper (in part), Traite d. Paleont. Veget. pi. Ix. figs. 11, 12. 



Lepidodendron brevifolium. 



Ettingshausen, Steinkf. v. Radnitz, p. 53, pi. xxiv. figs. 4, 5, pis. xxv. 



xxvi. fig. 3. 

 Schimper, Traite d. PalSont. Veget. vol. ii. p. 22. 



Lepidodendron acerosum. 

 Lindley and Hutton, Foss Flora, vol. i. pi. vii. fig. 1, and pi. viii. 



Lepidostrobus pinaster. 



Fiedler, Die Foss. Fruchte, p. 270. 

 Lindley and Hutton, Foss. Flora, vol. iii. pi. cxcviii. 

 Unger, Synop. Plant. Foss. p. 139 

 Genera et Species, p. 270. 



? Lepidodendron longifolium. 

 Schimper (in part),'Tr&it6 d. Paleont. V6get. pi. lix. fig. 1. 



* Flora d. jiing. Stk. u. d. Bothl. p. 155. 



