^{page 534 note *} Weiss, Zeitsch. d. deut. geol. Gesell., 1888, p. 566. Zeiller, Bull. Soc. géol. d. France, 3e sér., vol. xvii. p. 603, pl. xiv., 1889. Zeiller, Flore fossile, Bassin houiller et permien de Brive, p. 83, pl. xiv. fig. 1, 1892. Kidston, Proc. Roy. Phys. Soc. Edin., vol. xiii. p. 233, pi. vii. fig. 1, 1896.

^{page 534 note †} Trans. Roy. Soc. Edin., vol. xxxix. p. 57, pl. iii. figs. 1–5, especially figs. 1, 2, 1897.

^{page 534 note ‡} Archives du Muséum, vol i. p. 405, pls xxv-xxviii., 1839, Paris. See also Renault, , “Structure comparée de quelques tiges de la flore carbonifère,” Nouvelles Archives du Muséum, ii., 2^e sér., 1979, p. 262Google Scholar, pl. xi. fig 13. Renault, Flore fossile, Deux. part, Bassin houiller et permica d'Autun et Épinac, fasc. iv p. 200, pl. xxxvi. figs. 8–11, pl. xxxvi. figs. 3–7, 1896.

^{page 534 note §} Ann. d. Scienc. not., 6^e sér., Bot., vol. xix. p. 259, 1884. Weiss, Sitz. Bericht. d. Gessell. naturforsch. Freunde zu Berlin, 1886, No. 5, p. 70.

^{page 534 note ∥} Hist. d. véget. foss., pl. clviii. fig. 6 (? non fig. 5).

^{page 534 note ¶} “On the Organisation of the Fossil Plants of the Coal Measures.” Part II. Lycopodiaceæ: Lepidodendra and Sigillariae. Phil. Trans., 1872, p. 197.

^{page 535 note *} Mém. présentés par divers savants à l'Acad. des Sciences de l'institut national de France, vol. xxii., No. 9, 1875, Paris, pls. i.-iv., pl. vi. figs. 33, 34. See also Renault, “Structure comparée de quelques tiges de la flore carbonifère,” p. 264, pl. xi. figs. 17–21, pl. xii. figs. 1, 2, 1879. “Notice sur les travaux scientifiques de M. Bernard Renault,” Autun, 1896, p. 132.

^{page 535 note †} Fasc. iv. part ii., 1896, pp. 200, 208, pl. xxxvi. figs. 8–11, pl. xxxvii. figs. 3–7 and fig. 40 (Sig. Menardi), pl. xxxvi. figs. 2–5, pl. xli. figs. 4–11, 18–21, 23–26 (S. spinnlosa).

^{page 535 note ‡} L.c., p. 237, pl. xxxviii. figs. 1–3.

^{page 535 note §} Studies in Fossil Botany, p. 207, fig. 80, 1900.

^{page 535 note ∥} General, Morphological, and Histological Index to the Author's Collective Memoirs on the Fossil Plants of the Coal Measures. Part II. Mem. and Proc. Manchester Lit. and Phil.Soc., Session 1892–93, p. 35, 1893

^{page 535 note ¶} Pl. xxviii. figs. 33, 34.

^{page 535 note **} See, in addition to references already given, Renault, Cours d. botan. fossile, vol. ii., 1881. Potonié, Lehrbuch der Pflanzenpalæontologie, 1899. Zeiller, Élements de l'alcobotanique, 1900. Solms-Laubach, Fossil Botany (English translation), Oxford, 1891. Kidston, , “Carboniferous Lycopods and Sphenophylls,” Trans. Nat. Hist. Soc. Glasgow, vol. vi., new series, p. 101, 1891.Google Scholar

^{page 535 note ††} Weiss, , Trans. Linn. Soc. London, 2nd ser., Bot., vol. vi. part 4, pp. 217–230Google Scholar, pls. xxiii.-xxvi., 1903.

^{page 536 note *} König, Icones fossilium sectiles., London, pl. xvi. fig. 194.

^{page 536 note †} Trans. Bot. Soc. Edin., vol. xiv. pp. 186, 190, pl. vii.

^{page 537 note *} Loc. cit., pp. 220–221.

^{page 537 note †} Phil. Trans., 1872, p. 209.

^{page 538 note *} Phil. Trans., vol. clxxxiv. p. 20, 1893.

^{page 538 note †} Another portion of this specimen (Williamson, 1949A) is in the Wild Collection, Manchester Museum.

^{page 539 note *} Sternberg, Essai flore monde prim., vol. i. fasc. 4, pp. xiv, 48, pl. lii. fig. 4, 1826.

^{page 539 note †} See also Zeiller, Flore foss. Bassin houil. d. Valenciennes, p. 582, pl. lxxxvii. figs. 1–4, Atlas 1886, Text 1888.

^{page 542 note *} Memoir XIX., Phil. Trans., vol. clxxxiv. (1893), p. 33, pl. iv. fig. 38.

^{page 543 note *} Flore fossile, Bassin houiller et permien d'Autun et d'Épinac, Deux, part, Atlas, pl. xxxvii. fig. 6, 1893.

^{page 545 note *} Annals of Botany, vol. xiii. p. 607,1899.

^{page 545 note †} Loc. cit., p. 608.

^{page 545 note ‡} Fossil Botany, English ed., p. 252, fig. 29, 1891.

^{page 545 note §} Studies in Fossil Botany, p. 201, figs. 77–78, 1900.

^{page 546 note *} Renault, Bassin houiller et permien d'Autun et d'Épinac, Flore fossile, Deux, part, p. 238, 1896.

^{page 546 note †} It might be mentioned that Renault has described a Lepidodendron (L. Jutieri) in which the vascular system is formed of a circle of separate bundles. “Structure comparée de quelques tiges de la flore carbonifère” (in Nouv. Archives du Mus., ii., 2e sér., 1879, p. 258; also Renault, Cours d. bot. fos., vol. ii. p. 28, 1882.

^{page 546 note ‡} Trans. Roy. Soc. Edin., vol. xxxix. p. 907, pls. i.-iv., 1900.

^{page 546 note §} Seward and Hill, l.c., p. 914.

^{page 546 note ∥} From the discovery by Mr James Lomax of a specimen showing the outer surface of the bark, it has been shown that the Lepidodendron mundum, Williamson, is a Bothrodendron.

^{page 546 note ¶} Zeiller, Éléments paleobotanique, p. 178, 1900.

^{page 548 note *} See note on p. 546 (Lepidodendron Jutieri, Renault).