knowlton.] TERTIARY PLANTS OF NORTH AMERICA. 129 
Laurus primigenia Uug. Gen. et Sp. PI. Foss., p. 423, 1850; Heer, 
Proc. Acad. Nat. Sci. Phila., vol. x, p. 265, 1858; Lx., Ann. Kept., op. 
cit., p. 406, 1872 [1873]; Tert. FJL, p. 214, pi. xxxvi, f. 5, 6, 8, 1878; 
Hollick, Trans. N. Y. Acad. Sci., vol. xii, p. 33, pi. ii, f. 20; iii, f. 3, 
1892. 
Denver beds: Golden, Colorado. 
Denver beds ?: Carbon and Evanston, Wyoming. 
Mod tana formation: Point of Rocks, Wyoming. 
Cretaceous ! : Selina, Texas ; Staten Island ? 
Laurus princeps Heer. Fl. Tert. Helv., vol. ii, p. 77, pi. lxxxix, f. 16, 
17; xc, f. 17, 20; xcvii, f. 1, 1856; Lx., Cret. and Tert. Fl., p. 250, pi. 
lviii, f. 2, 1883. 
Miocene: Corral Hollow, California. 
Laurus proteaefolia Lx. Bull. U. S. Geol. and Geogr. Surv. Terr., 
vol. i, p. 393, 1875 [18761; Ann. Eept. U. S. Geol. and Geogr. Surv. 
Terr., p. 342, pi. v, f. 1, 2, 1874 [1876] ; Cret. and Tert. Fl., p. 52, pi. 
iii, f. 9, 10; xvi, f. 6, 1883. 
Dakota group: Morrison, Colorado; Fort Harker, KaDsas. 
Laurus resurgens Sap. Etudes: Ann. sci. nat. Bot. 5th ser., vol. iv, 
p. 132, pi. vii, f. 9a, 96, 1866; Ward, Bull. U. S. Geol. Surv., no. 37, 
p. 47, pi. xxiii, f. 7, 1887. 
Fort Union group?: Bull Mountains, Montana. 
Miocene: Corral Hollow, California. 
Laurus salicifolia Lx. Cret. and Tert. FL, p. 251, pi. lviii, f. 4, 5, 1883. 
Miocene: Corral Hollow, Calfornia. 
Laurus Schmidtiana Heer. Fl. Foss. Arct., vol. v, abt. ii, p. 50, pi. 
xv, f. 8; 1878; Lx., Bull. Mus. Comp. Zool., vol. xvi, p. 50, 1888. 
Denver group: Golden, Colorado. 
Laurus sessiliflora Lx.=Malapcenna sessiliflora. 
Laurus socialis Lx. Tert. Fl., p. 213, pi. xxxvi, f. 1, 2, 3, 4, 7, 1878. 
Eocene?: Lassen County, California. 
Denver beds: Golden, Colorado. 
Livingston beds: Bozeman coal field, Montana. 
Eolignitic?: Cross Lake, Louisiana. 
Laramie group : Evanston and Hodges Pass, Wyomiug. 
Laurus teliformis Lx. Fl. Dak. Gr., p. 94, pi. 1, f. 9, 1892. 
Dakota group : Kansas. 
Laurus utahensis Lx. Tert. Fl., p. 216, pi. xxvi, f. 11, 1878. 
Laramie group: Hodges Pass, Wyoming ?; Cross Lake, Louisiana. 
Eolignitic: Cross Lake, Louisiana. 
Laurus Wardiana nom. nov. 
Laurus ocoteoides Lx. Tert. Fl., p. 215, pi. xxxvi, f. 10, 1878. [Not Massa- 
longo, 1858.] 
Laramie group: Golden, Colorado. 
Laurus sp., Lx. Kept, on Clays in N. J., p. 29, 1878. 
Amboy clay: Sayreville, New Jersey. 
Bull. 152 9 
