THE CARBONIFEROUS ROCKS OF CANONBTE, DUMFRIESSHIRE, ETC. 821 



Horizon. — Upper part of Calciferous Sandstone series = Oil Shale group of 

 Midlothian. 

 Locality. — Chattlehope Burn, two miles S.W. of Chattlehope House, Rede Water, 

 Northumberland. 



Horizon. — Cementstone series. 



Lepidodendron Volkmannianum, Sternberg. 



(Plate II. % 19.) 



1820. " Schwppenpflanze" Rhode, Beitr. z. Pflanzenkunde d. Vorwelt, p. 32, pi. vii. figs. 4-5. 



1826. Lepidodendron Volkmannianum, Sternb., Essai flare monde prim., vol. i. fasc. 4, p. 10, pi. liii. figs. 



3a, 3b, 3c. 

 1877. Lepidodendron Volkmannianum, Stur, Culm Flora, Heft ii. p. 392, pi. xxxv. Kg. 4, pi. xl. figs. 



2, 3 (fig. 4 1) (non fig. 5). 

 1882. Lepidodendron Volkmannianum, Weiss, Aus d. Steink., p. 8, pi. iv. fig. 29 (zweiter abdr.). 

 1899. Lepidodendron Volkmannianum, Freeh, Letheea geog., 1 Theil, Lethsea Palxoz., Band ii. Lief, ii., 



Die Steinkohlenform., pi. xxxvii.a figs, la, lb. 

 1899. Lepidodendron Volkmannianum, Hofmann and Ryba, Leitpflanzen, p. 81, pi. xv. figs. 2, 3. 

 1901. Lepidodendron Volkmannianum, Potonid, Silur- und Culm-Flora d. Harzes u. d. Magdeburgischen, 



p. 113, figs. 68-71 (Abhandl. d. k. preuss. geol. Landesanstalt, Neue Folge, Heft 36). 

 1838. Sagenaria Volkmanniaua, Presl., in Sternb., Essai flore monde prim., vol. ii. pi. 179, p. lxviii. fig. 8. 

 1854. Sagenaria Volkmanniana, Gopp., in Roemer, Beitr. z. Kenntn. d. Nordwest. Harzgebirges. Palseont., 



vol. iii. p. 46, pi. vii. fig. 15. > 



1838. Sagenaria aflinis, Presl, in Sternberg, Essai flore monde prim., vol. ii. p. 180, pi. lxviii. fig. 9. 

 1852. Sagenaria Roemeriana, Gopp., Foss. Flora d. Ubergangs, p. 184. 



1862. Sagenaria concinna, Roemer, Palseont., vol. ix. p. 10, pi. iv. Kg. 8. 



Remarks. — The specimen figured here is the only example I have seen from England, 

 and represents that form of the plant to which Presl gave the name of Sagenaria affinis. 

 Lepidodendron Volkmannianum, Sternb., is very rare in Britain. 

 Locality. — Quarry, one mile S.AV. of Glororum farm-house, Bamborough, North- 

 umberland. 



Horizon. — Upper part of Calciferous Sandstone series = Oil Shale group of 

 Midlothian. 



Lepidodendron Harcourti, Witham. 



1832. Lepidodendron Harcourtii, Witham, "On the Lepidodendron Harcourtii," Trans. Nat. Hist. Soc. 



of Northumberland, Durham, and Neivcastle-on-Tyne, vol. ii. p. 236, pi. v. figs. 1-7, pi. vi. figs. 

 1-7, 1838. 



1833. Lepidodendron Harcourtii, Witham, Internal Structure of Fossil Vegetables, pp. 51, 75, pi. xii. 



figs. 1-7, pi. xiii. figs. 1-7. 

 1833. Lepidodendron Harcourtii, L. and H., Fossil Flora, vol. ii. pi. xcviii., pi. xcix. 



1839. Lepidodendron Harcourtii, Brongt., "Observ. sur la Struct, inter, du Sigillaria elegans comparee 



a celle des Lepidodendron et des Stigmaria," Archives d. Mus. didst, not. (Paris), vol. i. p. 417 

 et seq., pi. xxx. and pi. xxxi. 

 TRANS. ROY. SOC. EDIN., VOL. XL. PART IV. (NO. 31). 6 f 



