132 FOSSIL PLANTS. 



of this character has already been pointed out. The rachis shows numerous 

 little points from which the scales have fallen. 



Aspidites Silesiacus, Gopp., and Aspidites Glockeri, Gopp., are also merely 

 forms of Pecopteris plumosa, and are here united with that species. Pro- 

 bably Aspidites oxyphylla of the same author should also be included here. 

 Most writers mention this plant under the name of P. dentata, Brongt., 

 but as this fern is undoubtedly only a form of P. plumosa, Artis, sp., this 

 ing the older, has priority of claim. The fructification has been 

 y Zeiller,* who has created for this species the genus Dactylotkeca, 

 which is here adopted. 



Dactylotheca plumosa, in its various forms, is widely distributed in the 

 Coal Measures of Great Britain. 

 Horizon, Coal Measures. 



Localities. British. Lancashire : near Manchester. Somersetshire : Gamer- 

 ton ; Eadstock ; High Littleton. Worcestershire : 

 Clee Hills (Presented by H. G. Lyons, Esq.) ; Forest 

 of Wyre. 



Foreign. Bohemia : Eadnitz. Silesia : Waldenburg. Spain : 

 Andalusia. United States : Du Quoin, Illinois. 



name, as bein 

 described by 



ALETHOPTEKIDE.E. 



ALETHOPTERIS, Sternberg, 1820. 



Versuch einer geognostisch-botanischen Darstellung der Flora der 

 Vorwelt. I. fasc. iv. p. xxi. 



Alethopteris lonchitica, Schlotheim, sp. 



Alethopteris lonchitica. 



Boulay, Terr. Houil. du Nord de la France, p. 34. 

 Dawson, Quart. Journ. Geol. Soc. vol. xxii. p. 157. 



Acadian Geol. 2nd Ed. p. 484, 1868. 



Canadian Nat. vol. viii. p. 445. 



Foss. Plants of Lower Carb. Canada, pp. 34 and 38, pi. x. fig. 90. 

 Etheridge, Catal. of Australian Fossils, p. 29. 

 Feistmantel, Steinkf. v. Kralup in Bohmen, p. 12. 

 Fontaine and White, Perm, or Upper Carb. Flora, pp. 12 and 17. 

 Geinitz, Flora d. Hainich.-Ebersdorfer, pp. 17 and 43, pi. xiv. figs. 1, 2. 



Neues Jahrbuch, 1867, p. 277. 

 Giebel, Deutschl. Petrefacten, p. 49. 



Gomes, Flora Foss. do Terr. Carbon, do Porto, Serra do Bussaco, p. 15. 



Kidston, Trans. Eoy. Soc. Edinb. vol. xxx. p. 547. 



Lesquereux, Coal Flora of Pennsyl. p. 177, pi. xxviii. fig. 7. 



Schimper, Traite d. Paleont. Veget. vol. i. p. 554. 



Unger, Neues Jahrbuch, 1842, p. 608. 



Weiss, Verhandl. d. Natur. Vereines d. Preuss. Eheinl. u. Westph. 1868, 



p. 81. 

 Zeiller, Vegt. Foss. du Terr. Houil. p. 73. 



Flore Houil. des Asturies, p. 11. 



Bull. Soc. Geol. France, 3 e ser. vol. xii. p. 19.9. 

 Alethopteris lonchitidis. 



Bronn, Index Palseont. p. 23. 



Eichwald, Lethsea Eossica, vol. i. p. 85, pi. ii. fig. 3. 



Feistmantel, Vers. d. Bohm. Kohlenab. p. 295 (excl. syn. A. Serlii} 



Goppert, Syst. Fil. Foss. p. 294. 



* Ann. des Scienc. Na. 6 e ser. Bot. vol. xvi. p. 184. 



