CRE. CYC.] 



PLANTS. 



115 



FIG. 27. Cordaites costatus 



communis, Lesquereux, 1878, Proc. Am. 

 Phil. Soc., p. 320, and Coal Flora of Pa., 

 p. 534, Coal Meas. 



costatus, Lesquereux, 1878, Proc. Am. 

 Phil. Soc., p. 

 323, and Coal 

 Flora of Pa., 

 p. 540, Coal 

 Meas. 



crassinervis, 

 Fontaine & 

 White, 1880, 

 Perm, or Up. 

 Garb. Flora, 

 p. 97, Coal 

 Meas. or 

 Perm. 



crassus, Lesque- 

 reux, 1880, 

 Coal Flora of Pa., p. 530, Coal Meas. 

 diversifolius, Lesquereux, 1880, Coal Flora 

 of Pa., p. 535, Coal Meas. Proposed 

 instead of C. angustifolius Lesquereux, 

 which was preoccupied, 

 flexuosus, Dawson, 1863, Quar. Jour. Geo. 



Soc., vol. 19, p. 462, Catskill Gr. 

 gracilis, Lesquereux, 1878, Proc. Am. 

 Phil. Soc., p. 322, and Coal Flora of Pa., 

 p. 539, Coal Meas. 



grandifolius, Lesquereux, 1878, Proc. Am. 

 Phil. Soc., p. 318, and Coal Flora of 

 Pa., p. 530, Coal Meas. 

 lacoei, Lesquereux, 1880, Coal Flora of 



Pa., p. 535, Coal Meas. 

 lingulatus, Grand 'Eury., 1877, Flore Car- 

 bonifere, p. 218, and Coal Flora of Pa., 

 p. 533, Coal Meas. 



mansfieldi, Leequereux, 1878, Proc. Am. 

 Phil. Soc., p. 321, and Coal Flora of Pa., 

 p. 537, Coal Meas. 

 radiatus, Lesquereux, 1880, Coal Flora of 



Pa., p. 540, Coal Meas. 

 robbi, Dawson, 1861, Can. Nat,, vol. 6, 



p. 8, Ham. Gr. 

 serpens, Lesquereux, 1880, Coal Flora of 



Pa., p. 324, Coal Meas. 

 simplex, Dawson, 1863, Can. Nat,, vol. 8, 



and Acad. Geol., p. 490, Coal Meas. 

 validus, Lesquereux, 1878, Proc. Am. 

 Phil. Soc., p. 317, and Coal Flora of Pa., 

 p. 529, Coal Meas. 



CREMATOPTERIS, Schimper, 1869, Trait6 de 

 Paleontologie Vegetale, vol. 1, p. 596. 

 [Ety. krematos, hanging; pteris, fern.] 

 Rachis thick ; pinnules sessile, ovate- 

 oblong, contracted at the base, and sub- 

 auriculate. Type C. typica. 

 pennsylvanica, Lesquereux, 1880, Coal 



Flora of Pa., p. 307, Coal Meas. 

 CRUZIANA, D'Orbigny, 1842, Voy. dans 

 1'Amer. Merid. t. 3, pt. 2, p. 30. [Ety. 

 proper name.] A transversely wrin- 

 kled fucoid, much like Rusophycus. 

 Type C. rugosa. 



linnarsoni, White, 1874, Rep. Invert. 

 Foss., p. 5, and Geo. Sur. W. 100th 

 Merid., vol. 4, p. 32, Upper Taconic. 



rustica, White, 1874, Rep. Invert. Foss., 



p. 5, and Geo. Sur. W. 100th Merid., 



vol. 4, p. 32, Up. Taconic. 

 similis, Billings, 1874, Pal. Foss., vol. 2, p. 



68, Up. Taconic. 

 CYCLOPTERIS, Brongniart, 1828, Prodr. Hist. 



Veg. Foss., p. 51. [Ety. kuklos, circle ; 



pteris, fern.] Leaflets orbicular or reni- 



form, large, veins numerous, and not 



positively referable to other genera. 



Type C. orbicularis. 

 acadica, see Aneimites acadicus. 

 alleghaniensis, Meek, 1876, Desc. Foss. 



Plants Va. Syn. for Archseopteris 



rogersi. 

 antiqua, Dawson, 1863, Can. Nat. and 



Geo., vol. 8, and Acad. Geol., p. 481, 



Coal Meas. 



bockshii, see Aneimites bockshii. 

 broumi, see Rhacophyllum browni. 

 crispa, Germ. & Kaulf, 1831, (Filicites 



crispus,) Nova. Acta. Acad., vol. 15, p 



229, Coal Meas. 

 elegans, Lesquereux, 1858, Bost. Jour. 



Nat. Hist., vol. 6, p. 416, and Geo. Sur. 



Pa., vol. 2, p. 856, Coal Meas. 



PIG. 28. Cy clopteris elegans. 



fimbriata, see Neuropteris fimbriata. 

 flabellata, Brongniart, 1828, Prodr. Hist. 



Veg. Foss., p. 52, Coal Meas. 

 germari, see Neuropteris germari. 

 hallana, see Archseopteris hallana. 

 hispida, Dawson, 1863, Can. Nat. and 



Geol., vol. 8, and ^cad. Geol., p. 481, 



Coal Meas. 

 hirsuta, Lesquereux, 1858, Geo. Sur. Pa., 



vol. 2, p. 856, Coal Meas. 

 incerta, Dawson, 1862, Quar. Jour. Geo. 



Soc., vol. 18, p. 320, Ham. Gr. 

 jacksoni, see Archseopteris jacksoni. 

 laciniata, see Neuropteris laciniata. 

 lescuriana, see Triphyllopteris lescuriana. 

 oblata, Lindley & Hutton, 1837, Foss. 



Flora, vol. 3, pi. 217, Coal Meas. 

 obliqua, Brongniart, 1828, Prodr. Hist. 



Veg. Foss., p. 52, Coal Meas. 

 orbicularis, Brongniart, 1828, Prodr. Hist. 



Veg. Foss., p. 52, Coal Meas. 

 problematica, Dawson, 1871, Foss. Plants 



Dey. and Up. Sil., p. 47, Devonian. 

 rogersi, see Archseopteris rogersi. 

 trichomanoides, see Neuropteris tricho- 



manoides. 

 undans, Lesquereux, 1858, Geo. Sur. Pa., 



vol. 2, p. 855, Coal Meas. 



