knowlton] TERTIARY PLANTS OF NORTH AMERTCA. 137 
Lycopodium prominens Lx. Ann. Rept. U. S. Geol. and Geogr. 
Surv. Terr., p. 409, 1873 [1874] ; Tert. PI., p. 45, pi. v, f. 13-13&, 1878. 
Green River group: Elko Station, Nevada. 
Lycopodium sp., Hinde. Canadian Journal [Can. Institute], vol. xv, 
p. 399, 1878. 
Interglacial : Scarboro Heights, Ontario. 
Lycopodium sp. Penhallow, Trans. Roy. Soc. Canada, 2d ser., vol. 
ii, sec. iv, p. 62, 1896. 
Pleistocene: Long Portage, Missinaibi River; Scarboro Heights, 
Ontario. 
LYGODIUM Swartz. Sclirad. Journ Bot., vol. ii, p. 106, 1800. 
Lygodium compactum Lx. Am. Journ. Sci., vol. xvi, p. 206, 1868; 
Tert. Fl., p. 64, pi. v, f. 9, 1878. 
Laramie group : Coal Creek, Colorado. 
Lygodium Dentoni Lx. Bull. U. S. Geol. and Geogr. Surv. Terr., vol. 
i, p. 383, 1875 [1876] ; Ann. Rept. U. S. Geol. and Geogr. Surv. Terr., 
p. 309, 1874 [1876]; Tert. FL, p. 63, pi. lxv, f. 12, 13, 1878. 
Green River group: Mouth of White River into Green River. 
Lygodium Marvinei Lx. Bull. U. S. Geogr. Surv. Terr., vol. i, p. 383, 
1875 [1876] ; Ann. Rept. U. S. Geol. and Geogr. Surv. Terr., p. 309, 
1874 [1876]; Tert. Fl., p. 62, pi. v, f. 8, 1878. 
?: Eagle Junction. 
Lygodium Kaulfusii Heer. Beitrage z. nahern Kennt. d. Siichs.- 
Thuring. Braunkohle, p. 409, pi. viii, f. 21, 1861. 
Lygodium neuropteroides Lx. Ann. Rept. U. S. Geol. and Geogr. Surv. Terr., 
p. 384, 1870 [1871] ; Tert. FL, p. 61, pi. v, f. 4-7; pi. vi, f. 1, 1878. 
Green River group?: Barrell Springs, Wyoming. 
Eocene?: Cherry and Crescent creeks, Oregon. 
Eocene: Elk Creek, Yellowstone National Park; Wilkinson coal 
field, Washington; Cherry Creek, Oregon. 
Lygodium neuropteroides Lx.=Lygodium Kaulfusii. 
Lygodium trichomanoides Lx. Cret. EL, p. 45, pi. i, f. 2, 1874. 
Lygodium? sp., Lx. Am. Journ. Sci., vol. xlvi, p. 91, 1868. 
Dakota group : Fort Harker, Kansas. 
Lygodium? sp., Lx. [Am. Journ. Sci., xlvi, 91, 1868] = Lygodium tri- 
chomanoides. 
MACCLINTOCKIA Heer. El. Foss. Arct., vol. i, p. 114, 1868. 
Macclintockia cretacea Heer. Fl. Foss. Arct., vol. vi, abt. ii, p. 70, pi. 
xxxvi, f. la; pi. xxxvii, f. 2-4, 1882; Lx., Fl. Dak. Gr., p. 197, pi. lix, 
f. 4. 1892; Dn., Trans. Roy. Soc. Canada, vol. iii, p. 13, pi. iv, f. 3, 1885. 
Dakota group: Kansas. 
Mill Creek series : Mill Creek. 
Macclintockia Lyallii Heer. Fl. Foss. Arct., vol. i, p. 11.5, pi. xv, f. 
la, 2; xvi, f. 7a, b; xvii, f. 2a, b; xlvii, f. 13; xlviii, f. 8, 1868; Lx., Ann. 
Rept. U. S. Geol. and Geogr. Surv. Terr., p. 400, 1872 [18731. [ Not 
afterwards mentioned by Lesquereux.j 
-?: Black Buttes, Wyoming. 
