Lepi. 



316 



Lepidodendron conicum ? Lesq. Geol. Pa., 1858, page 



874, plate 15, fig. 3. Many specimens at Oarbondaie; but 

 although well marked and distinct, they may possibly repre- 

 sent barked stems. In his Coal Flora, Report P, 1880, page 

 385, Lesquereux makes it identical with Z. modulatum ; with 

 Z. megiston^ of Wood (Proc. Am. Phil. 8. Phila., 1860, pi. 5, f. 

 3); 2iVL^^\\h L, politiim (Lesq. Geol. Sar. Kentuck\r, Vol. 3, 

 pi. 7,f. 1.)— XZ//. 



Lepidodendron corrugatum. Daws. Geol. Caua<la,1873, 



PI. 21. 



p, 19, pi. 2 to 5, f. 33 to 36 and 38. Stigmaria minuta^ Lesq. 

 GeoL Pa., page 830, plate 21, fig. 2. The most common air 

 breathing iVants of the Pocono formation are slender stems 



