. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. LYC] PLANTAR. 126 to the middle, decurrent to the racbis, f)rimary nerve thin, dichotomous; ower pairs of lateral veins emerging from the rachis, the other alternately from the midrib, forking twice, the upper forking once or simple. Type L. raooril. adiantites, Lesquereux, 1854, (Neurop- teris adiHntites,) Bost. Jour. Nat. Hist., vol. fi, p. 419, and Coal Flora of Pa., p. 163, Coal Meas. moorii, Lesquereux
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. LYC] PLANTAR. 126 to the middle, decurrent to the racbis, f)rimary nerve thin, dichotomous; ower pairs of lateral veins emerging from the rachis, the other alternately from the midrib, forking twice, the upper forking once or simple. Type L. raooril. adiantites, Lesquereux, 1854, (Neurop- teris adiHntites,) Bost. Jour. Nat. Hist., vol. fi, p. 419, and Coal Flora of Pa., p. 163, Coal Meas. moorii, Lesquereux, 1858, (^Neuropteris moori,) Geo. Sur. Pa., vol 2, p. 8t)0, Coal Meas. , Lepquereux, 1880, Coal Flora of Pa., p. 142. [Ety. proper name.] Pin- nie simple, very entire, sublanceolate, gradually narrowing toward the base, traversed by a thick cost^i effaced un- der the apex; veins oblique, curved, equal, repeatedly dichotomous. Type L. grandis. grandis, Lesquereux, 1880, Coal Flora of Pa., p. 143, Coal Meas. microphylla, Ijesquereux, 1884, Coal Flora of Pa., p. 831, Coal Fio. 49.—Licrophycus ottawense. LicROPHYcus, Billings, 1862, Pal. Foss., vol. 1, p. 99. [Ety. l\kro», a fan; phykos, sea-weed.] Composed of numerous, elongated, subcylindrical stems, radiat- ing from a common root, and remain- ing single, or branching at an acute angle. Type L. ottawense. flabellum. Miller & Dyer, 1878, Jour. Cin. Soc. Nat. Hist., vol. 1, p. 25, Hud. Riv. Gr. formosum, Billings, 1866, Catal. Sil. Foss. Antic, p. 72, Hud. Riv. Gr. hiltonense, Billings, 1S()2, Pal. Foss., vol. 1, p. 101, Black Riv. and Trenton Gr. hudsonicum, Billings, 1862, Pal. Foss., vol. 1, p. 101, Hud. Riv. Gr minor, Billings, 1862, Pal. Fosh., vol. 1, p. 100, Trenton Gr. ottawense, Billings, 1862, Pal. Foss., vol. 1, p. 99, Trenton Gr. robustum, Billings, 1866, Catal. 8il. Foss. Antic, p. 72, Hud. Riv. Gr. vagans, Billings, 1866. Catal. Sil. Foss. Antic, p. 72, Hud. Riv. Gr. Lithodichion becki, Conra
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