CARBONIFEROUS. 2 1 7 



Giebel, Deutschl. Petrefacten, p. 92. 

 Goppert, Foss. Flora d. Perm. Form. p. 168. 

 Goppert and Berger, De Fruct. et Seminibus, p. 14. 

 Lesquereux, Coal Flora of Pennsyl. p. 586, pi. ixxxv. figs. 2, 3 (? fig. 25). 

 Lindley and Hutton, Foss. Flora, vol. iii. pi. ccxxi. 

 Morris, Trans. Geol. Soc. 2nd ser. vol. v. p. 489 (?) 

 Schimper, Traite d. Paleont. Veg6t. vol. ii. p. 215. 

 linger, Synop. Plant. Foss. p. 174. 

 Genera et Species, p. 305. 



Horizon. Coal Measures. 



Locality. British. Lancashire : Wigan. 



Trigonocarpus Parkinson!, Brongniart. 



Trigonocarpus Parkinsoni. 

 Brongniart, Prodrome, p. 137. 

 Bronn, Index Palseont. p. 1282. 

 Fiedler, Die Foss. Fruchte, p. 286. 

 Geinitz, Vers. d. Steinkf. in Sachsen, p. 43, pi. xxii. figs. 17-20 (excl. syn. 



C. sulcata, L. and EL). 



Goppert, Foss. Flora d. Perm. Form. p. 168. 

 Goppert and Berger, De Fruct. et Seminibus, p. 15. 

 Grand 'Eury, Flore Carbon, du Dep. de la Loire, p. 183. 

 Lesquereux, Coal Flora in Pennsyl. p. 589, pi. Ixxxv. figs. 9, 10. 

 Pu>ehl, Foss. Flora d. Steink. Form. Westph. p. 160, pi. xxii. fig. 11. 

 Sandberger, Flora d. Ober. Steink. im Badischen Schwarz, pp. 3 and 4. 

 Schimper, Trait6 d. Paleont. V6get. vol. ii. p. 214 (ref. in part). 

 Uuger, Synop. Plant. Foss. p. 173. 

 ,, Genera et Species, p. 305. 

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



p. 93. 



Trigonocarpus subcylindricuw. 



Lesquereux, Coal Flora of Pennsyl. In explan. to pi. Ixxxv. figs. 9, 10 

 (= T. Parkinsoni). 



Trigonocarpum Noeggerathi. 

 Fiedler (in part), Die Foss. Fruchte, p. 277. 

 Goppert and Berger (in part), De Fruct. et Seminibus, p. 18. 

 1 Gomes, Foss. Flora du Terr. Carbon, do Porto, Serra do Bussaco, p. 34, 



pi. iv. figs, a b. 

 Lindley and Hutton, Foss. Flora, vol. ii. pi. cxlii. c, vol. iii. pi. cxciii. 6, 



figs. 1-4, pi. ccxxii. figs. 2 and 4. 



Schimper (in part), Traite d. Paleont. Veget. vol. ii. p. 214. 

 Unger (in part), Synop. Plant. Foss. p. 173. 

 (in part), Genera et Species, p, 303. 



Trigonocarpum olivceforme. 

 Bronn, Index Palseont. p. 1282. 



Fiedler, Die Foss. Fruchte, pp. 271 and 282, pL xxvii. fig. 28. 

 Goppert and Berger, De Fruct. et Seminibus, p. 15, 

 Lesquereux, Report, Geol. Survey of Illinois, vol. iv. p. 460. 

 Lindley and Hutton, Foss. Flora, vol. iii. pi. ccxxii. figs. 1 and 3. 

 Schimper, Traite d. Paleont. Veget. vol. ii. p. 215. 

 Unger, Synop. Plant. Foss. p. 174. 

 Genera et Species, p. 305. 



Trigonocarpus olivceformis. 

 Goppert, Foss. Flora d. Perm. Form. p. 168. 

 Lesquereux, Coal Flora of Pennsyl. p. 590, pi. Ixxxv. figs. 7, 8. 



