. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. rieidus, Sternberg, 1824, (Bruckmannia rig- ida,) V^ers. Darst. Flor. derVorwelt, p. 29, and Coal Flora of Pa., p. 37, Coal Meas. scutigerus, Dawson, 1862, Quar. Jour. Geo. Soc, vol. 18, p. 311, Devonian. stachioides. Wood, 1860, (Lepidostro- bus stachioides,) Proc. Acad. Nat. Sci. Phil., vol 12, p. 240, Coal Meas. sublaivis, Lesque- reux, 1858, Geo. Sur. Pa., vol. 2, p. 851, Coal Meas. trinervis, Dawson, 1863,
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. rieidus, Sternberg, 1824, (Bruckmannia rig- ida,) V^ers. Darst. Flor. derVorwelt, p. 29, and Coal Flora of Pa., p. 37, Coal Meas. scutigerus, Dawson, 1862, Quar. Jour. Geo. Soc, vol. 18, p. 311, Devonian. stachioides. Wood, 1860, (Lepidostro- bus stachioides,) Proc. Acad. Nat. Sci. Phil., vol 12, p. 240, Coal Meas. sublaivis, Lesque- reux, 1858, Geo. Sur. Pa., vol. 2, p. 851, Coal Meas. trinervis, Dawson, 1863, Can. Nat., vol. 8, and Acad. Geol. p. 479, Coal Meas. tuberculalus, s^e An- nularia tubercu- lata. ASTERO PTEBIS, D a W â son, 1881, Quar. Jour. Geo. Soc, vol. 37, p. 299. [Ety. otter, star; pteris, fern.] Stems of ferns having the axial portion com- posed of vertical radiating plates of â .... scalariform tissue*^^° ^^IdndT** imbedded in pa- renchyma, and having the outer cylin- der composed of elongated cells trav- ersed by leaf-bundles similar to those of Zygopteris. Type A. novoboracensis. novoboracensis, Dawson, 1881, Quar. Jour. Geo. Soc, vol. 37, p. 299, Portage Gr. AsTROpoLiTHON, Dawson, 1888, Geo. Hist. Plants, p. 31. A peculiar imprecslon, supposed by Prof. Dawson to be I'u- coidal. Judging from the illustration, I would refer it to the Graptolida. Type A. hindii. hindii, Dawson, 1888, Geo. Hist, plants, p. 31, Up. Taconic. Baieba, Fr. Braun, 1840, Die Petrefakten d. Naturalien Samnil. [Ety. proper name.] Leaves p e t i o 1 a t e, flabelliform, dicho- tomous, many parted; nerves in each lacinia, sev- eral, dichotonious, and proceeding parallel with eacli other; leaf sub- stance leathery. Type B. tseniata. virginiana, Fontaine & White, 1880, Perm or Up. Carb. Flora, p. 103, Coal Meas. or Fio. 16.âBaiera Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - col
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