84 TRANSACTIONS, NATURAL HISTORY SOCIETY OF (JLASGOW. 



MoRKis, J., in J. Prestwich, "Geology of Coalbrookdcale," Trans. Geol. 



Soc. London, Vol. V., Explanation to PL XXXVIII., tigs. 3, 3a, 3b. 



1840. 

 GopPERT, H. R., Die Guttungen der fossiien Pflanzen, Lief. 1-2, p. 13. 



Plates. ISil. 

 BiNNKY, E. W., "Some Observations on Stigmaria Ficoides," Quart. 



Joum. Geol. Soc, Vol. XV., p. 76, PI. IV., 1858. 

 BiNNEY, E. W., "Observations on the Structure of Fossil Plants found in 



the Carboniferous Strata, Part IV., SigiUaria and Stigmaria," 



Palaontographical Soc, Vol. for 1875. Plates. 

 Williamson, W. C, "On the Organization of the Fossil Plants of the 



Coal Measures," Part II., Phil. Trans., 1872, p. 197. Plates. 

 Williamson, W. C, Part XI., Phil. Trans., Part ii., p. 285, 1881. Plates. 

 Williamson, W. C, "A Reply to Mr. Hick," Nat. Science, July, 1892, p. 



365. 

 Williamson, W. C, and Hartog, "Les Segillaires et les Lepidodendrons," 



Ann. d. Sc Nat., Ser. 6, Vol. XIII., 1882, p. 339. 

 Dawson, Sir Wm., and Prof. W. C. Williamson, Nat. Science, May, 1892, 



p. 211. 

 Hick, T., "Is Stigmaria a Root or a Rhizome ?" Nat. Science, July, 1892, 



p. 360. 

 Hick, T., " A Rejoinder," ibid., p. 370. 

 Lesquereux, L., Coal Flora, Vol. II., p. 509, 1880. 

 Schimper, Wm. Ph., in J. K(ECHlin-Schlumbergek, Le Terrain at 



Transiiion des Vosges, p. 323 et seq. 1862. Plates. 

 Platt, S. S. , " Notes on a large Fossil Tree recently found in Shale of the 



Coal Measures at Sparth Bottoms, Rochdale," Trans. Manchester 



Geol. Soc, Vol. XXIII., Part iii., Session 1894-95, p. 65. Plates. 



VIII. BoTHRODENDRON, Liiidley and Hutton, 1833. 



1833. Bothrodendron, L. & H., Fossil Botany, Vol. II., p. 1. 

 1860. Cydostigma, Haughton, Ann. and Mag. Nat. Hist., 3rd 



Ser., Vol. v., p. 443. 

 1876. Rhytidudendron, Boulay, Terr, houil. du Nord de la 



F^-ance, p. 39. 

 Arborescent Lycopods ramifying by dichotomous division. 

 Bark ornamented with a series of fine wrinkles and corrugations 

 {Both, punctalum, L. & H., and Both, minutifolium, Boulay), or 

 striated longitudinally with fine smooth slightly flexuous strise 

 {Both. Wukianum, Kidston), or striate with cross-hatching {Both. 

 Kiltorkense, Haughton sp.), or smooth {Both. Kidstoni, Weiss). 

 Leaf scars distant, very small, transversely oval or oval with 



