OF THE FOSSIL PLANTS OF TIIE COAL-MEASUEES. 
233 
Plate 
XXVI. fig. 13. Lepidodendron, segment of fig. 12, magnified 8 diameters. 
XXV. fig. 14. Lepidodendron, vertical section of the centre of the same plant as 
fig. 12. Mr. W. B. Dawkins. 
XXVI. fig. 15. Lejjidodendron, subepidermal surface of the bark of the same species 
as fig. 12. Mr. Butterworth’s cabinet. 
XXV. fig. 16. Lepidodendron , vertical section of epidermal layer and petioles of 
leaves, 2^ diameters. Mr. W. B. Dawkins’s cabinet. 
XXVI. fig. 17. Lepidodendron , tangential section through outermost layer of epi- 
dermis, magnified 3 diameters. Mr. Dawkins. 
,, fig. 18. Lepidodendron , tangential section of the same specimen as fig. 17, 
but nearer the extremities of the intersected leaves, magnified 3 diameters. 
„ fig. 19. Lepidodendron , oblique transverse section of fig. 17, magnified 3 dia- 
meters. 
„ fig. 20. Lepidodendron , vertical section of another specimen similar to figs. 
16-19, magnified 4 diameters. Mr. Whittaker. 
XXVIII. fig. 21. Liploxylon , transverse section, nat. size. Mr. Butterworth. 
XXVI. fig. 22. Liploxylon , vertical section of fig. 21, magnified 5 diameters. 
XXVII. fig. 23. Liploxylon, tangential section of some of the vessels of the ligneous 
zone and medullary rays of fig. 21. 
„ fig. 23 a. Radial section of fig. 21 at the inner surface of the ligneous zone. 
„ fig. 23 b. Radial section through the ligneous zone of Liploxylon stigma- 
rioideum. 
XXVI. fig. 24. Ulodendron , transverse section, magnified 2 diameters. Mr. Nield. 
XXVII. fig. 25. TJlodendron, longitudinal section of the central axis of fig. 24, magni- 
fied 12 diameters. 
„ fig. 26. Ulodendron , central axis of fig. 24, magnified 12 diameters. 
XXVIII. fig. 27. Ulodendron, longitudinal section of outer bark, epidermis, and petioles 
of fig. 25, magnified 3 diameters. 
„ fig. 28. Ulodendron, tangential section of bases of petioles close to the epi- 
derm, magnified 6 diameters. 
XXVII. fig. 29. Favularia, longitudinal section, magnified 6 diameters. Mr. Whit- 
taker. 
XXVIII. fig. 30. Favularia, transverse section of the bases of two petioles of fig. 29, 
magnified 6 diameters. 
„ fig. 31. Favularia, portion of fig. 29, showing the medulla, woody zone, and 
a trace of the inner bark, magnified 30 diameters. 
„ fig. 32. Favularia, portion of the epidermis of fig. 29, showing the outer 
parenchyma and the bast-layer, enlarged. 
„ fig. 33. Liploxylon , aspect of the specimen before it was cut up into sections, 
nat. size. Mr. Nield. 
