PLATE XVI. 



— 28-36. 



Fig. 24. Lepidodendron spetsbergense Nath. Part of a branch. 



— 25. Lepidodendron sp. {Knorria-(orm). 



— 26. Lepidodendron sp. Inner cortical surface. 



— 27. Lepidodendron? sp. Small twig. 

 Lepidophyllum cfr. lanceolatum L. & H. Note the mark- 

 ings on the specimens figs. 28, 29 (magnified) and 31. 

 It is not quite certain whether the specimens figs. 34 

 and 35 seen in profile belong to the same species as 

 the other ones. 



37. Leaf of Lepidodendron. 



