PLATE LVI. 



Lepidophloios Van Ingeni D. W. 



(Page 205.) 



1. Portion of stem from which the epidermis has been removed. U. S. Nat. Mus., 6047. 



2. Out! of the specimens described and figured by Professor Lesquereus (Coal Flora, vol. iii, p. 



781, pi. cv, fig. 41 as Lepidophloios dilatatns Ls. Lacoe collection, U. S. Nat. Mus., 5944. 

 2a. Photographic enlargement of the sams, in different light, to show the aspect of the leaf 



scars. X2. 

 26. Enlarged detail of exposed portion of bolster of No. 5944. X2. 



3. Isolated and partially decorticated bolster showing portion of leaf scar and the pit above it 



on the bolster. U. S. Nat. Mus., 6050. 



4. Similar isolated bolster showing vertical wrinkles, due perhaps to flattening of the bolster. 



U.S. Nat. Mus., 6048. 



5. Bolster from which nearly all carbonaceous residue has been removed, showing the approxi- 



mate profile of leaf scar and distinct "ligular pit." U. S. Nat. Mus., 6049. 



6. Detached bolsters grouped on rock. U. S. Nat. Mus., 6051. 



7. Very large bolster, partially decorticated. U. S. Nat. Mus., 6052. 



8. Very large and strongly convex bolster in shale. It shows rounded lateral angles and base. 



U. S. Nat. Mus., 6053. 



422 



