CARBONIFEROUS. 71 



might easily be mistaken for S. obtusiloba, its occurrence in the Culm 

 requires corroboration. 

 Horizon. Coal Measures. 

 Localities. British. Northumberland : Fawdon Colliery ; near Newcastle- 



on-Tyne. 

 Foreign. Bohemia : Radnitz. 



Sphenopteris mimmularia, Gutbier. 



Sphenopteris nummularia. 



Andrae, Vorwelt. Pflanzen, p. 35, pi. xi. 



Boulay, Terr. Houil. du Nord de la France, p. 25. 



Bronn, Index Palaeont. p. 1170. 



Crepin, Bull. Soc. Eoy. Botan. Belgique, vol. xx. part ii. p. 31. 



Gutbier, Vers. d. Zwi'ck. Schwarzk. pp. 43. and 75, pi. iv. fig. 5, pi. x. figs. 



7-8, pi. xi. fig. 3. 



Heer, Flora Foss. Helv. lief. 1, p. 14, pi. i. fig. 8, pi. xiv. fig. 6. 

 Schimper, Traite d. Paleont. Veget. vol. i. p. 374. 

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



p. 78. 

 Zeiller, Bull. Soc. Geol. de France, 3 e ser. vol. xii. p. 192. 



Sphenopteris irregularis. 



Geinitz (in part), Vers. d. Steinkf. in Sachsen, p. 14, pi. xxiii. figs. 2, 3, 4. 



Heer, Urwelt der Schweiz. p. 10, pi. i. fig. 4. 

 Sphenopteris convexiloba. 



Boulay, Terr. Houil. du Nord de la France, p. 25, pi. ii. fig. 7. 



Schimper, Traite d. Paleont. Veget. vol. i. p. 372. 



Diplothmema nummularium. 



Stur, Culm Flora, heft 2, p. 230. 



Remarks. For notes on this species, see the remarks appended to 

 Sphenopteris obtusiloba, Brongt. 

 Horizon. Coal Measures. 

 Localities. British. Northumberland : Felling Colliery, near Newcastle- 



on-Tyne. 

 Foreign. Silesia : Waldenburg. 



Sphenopteris trifoliolata, Artis, sp. 



Sphenopteris trifoliolata. 



Andrae, Vorwelt. Pflanzen, p. 28, pi. ix. figs. 2, 3, 4. 



Boulay, Terr. Houil. du Nord de la France, p. 26. 



Brongniart, Prodrome, p. 51. 



Bronn, Index Palseont. p. 1171. 



Renault, Cours d. Botan. Foss. p. 192, pi. xxxiii. fig. 8, 1883. 



Roehl, Foss. Flora d. Steink. Form. Westphalens, p. 65 (pi. xvi. 



figs. 3 & 16 ?). 



Schimper, Traite d. Paleont. Veget. vol. i. p. 371 (excl. ref. Brongt.). 

 Sternberg, Vers. ii. p. 63 (excl. ref. Brongt.). 

 Unger, Synop. Plant. Foss. p. 63 (excl. ref. Brongt.). 

 Genera et Species, p. 115 (excl. ref. Brongt). . 

 Weiss, Verhandl. d. Natur. Vereines d. Preuss. Rheinl. u. Westph. 



1868, p. 78. 

 Zeiller, Bull. Soc. Geol. de France, 3 e ser. vol. xii. p. 192. 



Cheilanthites trifoliolatiis. 

 Gbppert, Syst. Fil. Foss. p. 245 (in part). 



Filicites trifoliolatus. 



Artis, Antedil. Phytol. pi. xi. 



Cr6phi, Bull. Soc. Roy. Bot. de Belgique, vol. xx. part. ii. p. 31. 



