114 CATALOGUE OF THE CRETACEOUS AND [bull. 152. 
Grewia obovata Heer. Fl. Foss. Arct., vol. iv, abt. i, p. 86, pi. xix, f. 
15, 15Z>, 1876; Ward, Bull. U. S. Geol. Surv., no. 37, p. 88, pi. xxxix, 
f. 6, 7, 1887. 
Fort Union group: Seven-Mile Creek, Montana. 
? Grewia Pealei Ward. Bull U. S. Geol. Surv., no. 37, p. 87, pi. xxxix, 
f. 3-5, 1887. 
Fort Union group ? : Bull Mountains, Montana. 
GREWIOPSIS Saporta. Etudes, ii, p. 45, 1866. 
Grewiopsis acuminata Lx. Proc. U. S. Nat. Mus., vol. x, p. 44, pi. 
iii, f. 12, 13; iv, f. 1, 2, 1887. 
Laramie group f : Unknown. 
G-rewiopsis aequidentata L. Fl. Dak. Gr., p. 180, pi. lviii, f. 4, 1892. 
Dakota group : Kansas. 
Gre(v)wiopsis Cleburni Lx. Bull. U. S. Geol. and Geogr. Surv. Terr., 
vol. i, p. 380, 1875 [1876]; Ann. Kept. U. S. Geol. and Geogr. Surv. 
Terr., p. 306, 1874 [1876]; Tert. PL, p. 259, pi. lxii, f. 12, 1878. 
Laramie group: Hodges Pass, Wyoming. 
Montana formation: Point of Rocks. 
G-rewiopsis eocenica (Lx.) n. comb. 
Grewiopsis Saportanea Lx. Tert. Fl., p. 257, pi. 1, f. 10-12, 1878. 
Aleurites eocenica Lx. Ann. Kept. U. S. Geol. and Geogr. Surv. Terr., p. 
397, 1872 [1873]. 
Laramie group: Black Buttes, Wyoming. 
G-rewiopsis ficifolia Ward. Bull. U. S. Geol. Surv., no. 37, p. 92, pi. 
xli, f. 1, 2, 1887. 
Laramie group, Black Buttes, Wyoming. 
G-rewiopsis flabellata (Lx.) n. comb. 
Populites flabellata Lx. Am. Journ. Sci., vol. xlvi, p. 94, 1868. 
Popnlites fagifolia Lx. Ann. Eept. U. S. Geol. and Geo^r. Surv. Terr., p. 
422, 1872 [1873]. 
Greviopsis Haydenii Lx. Cret. Fl., p. 97, pi. iii, f. 2, 4; pi. xxiv, f. 3, 1874. 
Dakota group: Fort Harker, Kansas. 
Greviopsis Haydenii Lx.= Grewiopsis flabellata. 
Grewiopsis Mudgei Lx. Fl. Dak. Gr., p. 181, pi. lxvi, f. 3, 1892. 
Dakota group : Kansas. 
Grewiopsis paliurifolia Ward. Bull. U. S. Geol. Surv., no. 37, p. 92, 
pi. xli, f. 3, 1887. 
Laramie group: Black Buttes, Wyoming. 
Grewiopsis platanifolia Ward. Bull. U. S. Geol. Surv., no. 37, p. 89, 
pi. xl, f. 1, 1887. 
Fort Union group: Seven-Mile Creek, Montana. 
Grewiopsis populifolia Ward. Bull. U. S. Geol. Surv., no. 37, p. 90, 
pi. xl, f. 3-5, 1887. 
Fort Union group: Burns's Kanche, Montana. 
Grewiopsis Saportanea Lx. = Grewiopsis eocenica. 
Grewiopsis tenuifolia Lx. Tert. Fl., p. 258, pi. xl, f. 14, 1878. 
Denver group : Golden, Colorado. 
