FOSSIL PLANTS. 443 



In this species, also, the pedicel of the sporanges is unknown. Both these 

 small cones resemble in size and somewhat in form Lepidostrol>m gemmiformis, 

 Gopp., Permian flora, p. 142, pi. xix, fig. 14, 15, 16; but are evidently dis- 

 tinct species. 



From Mazon creek, in concretions. 



LEPIDOSTROBUS ORNATUS, Brgt. 



Ll. and Hutt, Foss. Fl. 3, PI. 26. 



A broken specimen of a cone of this species has been discovered by Mr. Jos. 

 Even, in a nodule from Mazon creek. It is cut across near its base, and the 

 form and position of the sporanges and of the pedicels are distinctly observable. 



GENUS LEPIDOPHYLLUM, Brgt. 



111. Geol. Kept, vol. ii, p. 456. 



LEPIDOPHYLLUM ROSTELLATUM, Sp. nov. 



PI. xxxi, fig 8. 



A LARGE blade, broken in the middle, four-fifths of an inch 

 broad, with a triple medial nerve, round, attenuated at the 

 base or strangled at its point of union to the pedicel; pedicel 

 of the sporanges half an inch long, rounded at its enlarged 

 sides, and narrowed to an acute, slightly curved point. The 

 collum between the blade and the pedicel is long and narrow, 

 giving to this species a peculiar appearance. 



Mazon creek ; in concretions. 



LEPIDOPHYLLUM STRIATUM, Sp, nov. 



PL xxxi, fig. 9. 



THE specimen shows two blades and curved pedicels of spo- 

 ranges. The blades, broken at the point and along the bor- 

 ders, are about half an inch broad, two inches and a half long, 

 lanceolate, slightly enlarged above the middle, marked with 



