118 



PLANTS. 



[EOF. FUC. 



mammillanum, Miller & Dyer, 1878, Cont. 

 to Pal., No. 2, p. 2, Hud. Riv. Gr. 



FIG. 84. Dystactophycus mammillanuin. 



EOPHYTON, Torell, 1868, Bidr. t. Sparagm. 

 geogn. och. paleont., p. 36. [Ety. eos, 

 dawn ; phyton, a plant.] Slender, cylin- 

 drical, reed-like fucoids, longitudinally 

 striated. Type E. linnseanum. 

 explanatum, Dawson, 1870, Can. Nat. and 



Geol., Lpw. Arenig rocks, 

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



65, Up. Taconic. 



linnseanum (?), Torell, 1868, Bidr. t. Spa- 

 ragm. geogn. och. paleont., p. 36, Up. 

 Taconic. 



EQUISETITES, Sternberg, 1833, Vere. Darst. 

 Flora der Vorwelt, vol. 2, p. 43. [Ety. 

 equus, a horse ; seta, a hair or bristle ; 

 in allusion to the resemblance to a 

 horse-tail.] Arborescent ; stems articu- 

 late ; articulations surrounded with 

 costate sheaths, dentate on the border. 

 Type E. gigantea. 



col u m n a r is, 

 Brongniart. 

 1828, (Equi- 

 setum colum- 

 nare,) Hist.Veg. 

 Foss.,t.l,p.ll5, 

 Coal Meas. 

 curtus, Dawson, 

 1863, Syn. Garb. 

 Flora in Can. 

 Nat., vol. 8, and 

 A cad. Geol., p. 

 443, Coal Meas. 

 elongatus, Fon- 

 taine & White, 1880, Perm, or Up. Garb. 

 Flora, p. 33, Coal Meas. or Permian, 

 gracilis. Lesquerenx, 1884, Coal Flora of 



Pa., p. 729, Coal Meas. 

 macrodontus, Wood, 1860, Proc. Acad. 



Nat. Sci. Not satisfactorily denned, 

 occidentalis, Lesquereux, 1870, Geo. Sur. 



111., vol. 4, p. 425, Coal Meas. 

 stellifolius, Harlan, 1835, (Equisetum 

 stellifolium,) Trans. Geo. Soc. Pa., vol. 

 1, p. 261, Coal Meas. Syn. for Annula- 

 ria longi folia? 



striatus, Fontaine & White, 1880, Perm, 

 or Up. Garb. Flora, p. 34, Coal Meas. 

 or Permian. 



wrightanus, see Ecbinocaris wrightana. 

 Equisetum, see Equisetites. 



FIG. 35. Eqnisetites 

 curtus. 



columnare, see Equisetites columnaris. 

 stellifolium, see Equisetites stellifolius. 

 EREMOPTERIS, Schimper, 1869, Traitfe de 



Palseontologie Vegetale, vol. 1, p. 416. 



[Ety. eremos, isolated ; pteris, fern.] 



Upper part of fronds 



dichotomous; pinnae open 



or oblique, irregularly 



pinnatifid; lacinise long, 



obovate or wedge- form, 



the lower ones deeply 



cut ; the lateral veins enter 



the lobes in acute angles 



of divergence from the 



midrib, and passing up to 

 . the borders are flabellate, 



dichotomous, parallel, and 



close. Type E. artemisii- 



folia. 

 artemisiifolia, Sternberg, 



1824, (Sphenopteris arte- 



misiaefolia,) Vers. Darst. 



Flora der Vorwelt, p. 44, 



and Coal Flora of Pa., p. 



293, Coal Meas. 

 cheathami, Lesquereux, 



1884, Coal Flora of Pa., p. 



770, Coal Meas. 

 crenulata, Lesquereux, 1876, Geo. Rep. 



of Alabama, p. 75, and Coal Flora of 



Pa., p. 292, Coal Meas. 

 dissecta, Lesquereux, 1876, Geo. Rep. of 



Alabama, p. 75, and Coal Flora of Pa., 



p. 293, Coal Meas. 

 elegans, Ettingshausen, 1852, (Asplenites- 



elegans,) Die Steinkohlen flora v. Stra- 



donitz in Bohmen, p. 15, and Coal 



Flora of Pa., p. 294, Coal Meas. 

 flexuosa, Lesquereux, 1876, Geo. Rep. of 



Alabama, p. 75, and Coal Flora of Pa., 



p. 293, Coal Meas. 

 marginata, Andrews, 1875, Ohio Pal., vol. 



2, p. 422, Coal Meas. 

 microphylla, Lesquereux, 1880, Coal 



Flora of Pa., p. 296, Coal Meas. 

 missouriensis, Lesquereux, 1880, Coal 



Flora of Pa., p. 295, Coal Meas. 

 Ficoidites scabrosus, Hildreth, 1837, Am. 



Jour. Sci. and Arts, vol. 31, p. 30, Low. 



Coal Meas. Not recognized, but prob- 

 ably a Sigillaria. 

 Filicites, Schlotheim, 1820, Nachtr. zur 



Petref. It was used for all fossil ferns,. 



and hence is not of generic value. 

 acumirtatus, see Neuropteris acuminata. 

 aquilinus, see Alethopteris aquilina. 

 arborescens, see Pecopteris arborescens. 

 crispus, see Cyclopteris crispa. 

 gracilis, see Plumalina gracilis. 

 lonchiticus, see Alethopteris lonchitica. 

 miltoni, see Pecopteris miltoni. 

 penniformis, see Pecopteris penniformis. 

 pluckeneti, see Pseudopecopteris pluckeneti. 

 plumosus, see Pecopteris plumosa. 

 oreopteridis, see Pecopteris oreopteridis. 

 trifoliatus, see |Pseudopecopteris trifoliata. 

 Flabellaria boramfolia, see Cordaites boras- 



sifolius. 

 Fucoides, Brongniart, 1822, in Mem. d. Hist. 



