. A catalogue of the Cretaceous and Tertiary plants of North America [microform]. Paleobotany; Paleobotany; Paléobotanique; Paléobotanique. KMOWLTON.] TERTIARY PLANTS OP NORTH AMERICA. 243 Widdringtonia linguaefolia Lx. Gret. and Tert. Fl, p. 139, pi. xxi, f. 14,14a, 1883. Glyptostrobiis tniroproufl (Brongn.) Heer. Fl. Tert. Helv., vol. i, p. 51, pi. xix; XX, 1855; Tert. Fl., p. 74, pi. vii, f. 1,2,1878. Green Eiver group: Florissant, Colorado. \!7IDDRINGTONITES Endlicber. Synop. Conif., p. 271,1847. Widdringtonites Reichii (Ett.) Heer. Fl. Foss. Arct., vol. vi, abt. ii, p. 51, pi. xxviii, f


. A catalogue of the Cretaceous and Tertiary plants of North America [microform]. Paleobotany; Paleobotany; Paléobotanique; Paléobotanique. KMOWLTON.] TERTIARY PLANTS OP NORTH AMERICA. 243 Widdringtonia linguaefolia Lx. Gret. and Tert. Fl, p. 139, pi. xxi, f. 14,14a, 1883. Glyptostrobiis tniroproufl (Brongn.) Heer. Fl. Tert. Helv., vol. i, p. 51, pi. xix; XX, 1855; Tert. Fl., p. 74, pi. vii, f. 1,2,1878. Green Eiver group: Florissant, Colorado. \!7IDDRINGTONITES Endlicber. Synop. Conif., p. 271,1847. Widdringtonites Reichii (Ett.) Heer. Fl. Foss. Arct., vol. vi, abt. ii, p. 51, pi. xxviii, f. 5,1882; Newby., Fl. Amboy Clays, p. 57, pi. viii, f. 1-5,1895 [1896]. Freuelites Keichii Ett. Kreidefl. v. Niedersch., p. 246, pi. i, f. lOa-lOo, 18â. Amboy clay: New Jersey. Widdringtonites subtilis Heer. Fl. Foss. Arct., vol. iii, abt. ii, p. 101, pi. xxviii, f. 1, ib, 1874; Newby., Fl. Amboy Clays, p. 57, pi. x, f. 2-4, 1895 [1896]. Aiuboy clay: Woodbridge and South Amboy, New Jersey. Cretaceous: Marthas Vineyard. WILLIAMSONIA Carruthers. Trans. Linn. Soc. London, vol. xxvi, p. 080, 1868. Williamsonia elocata Lx. Fl. Dak. Gr., p. 87, pi. ii, f. 9, 9a, 1892. Dakota group: Kansas. Williamsonia problematiea (Newby.) Ward=PaUeanthus problemat- icus. Williamsonia recentior Dn. Trans. Roy. Soc. Canada, vol. iii, sec. iv, p. 12, pi. iv, f. 1, 1885 [1886]. Mill Creek series: Mill Creek. Williamsonia? Riesii Hollick. Trans. N. Y. Acad. Sci., vol. xii, p. 37, pi. i, , 3,1892. Cretaceous: Staten Island. Williamsonia Smockii Newby. Fl. Amboy Clays, p. 127, pi. xxxvi, f. 1-8, 1895 [1896]. Amboy clay. New Jersey. Williamsonia tezana Font. Proc. U. S. Nat. Mus., vol. xvi, p. 278, pi. xliii, f. 1, 2, 1893. Trinity division: Glenrose, Texas. Williamsonia virginiensis t'ont. Potomac Fl., p. 273, pi. cxxxiii, f. 6-7; clxv,f. 5, 1889. Potomac formation: Trents Reach and near Dutch Gap Canal, Vir- ginia. Williamsonia? sp., Dn. Trans. Roy. Soc. Canada, vol. x, sec. iv, p. 87, 1892 [1893


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