212 CATALOGUE OF THE CRETACEOUS AND [bull. 152. 
Sapindus membranaceus Newby. Later Extinct Floras, p. 52, 1868. 
Fort Union group : Fort Union, North Dakota. 
Sapindus Morrisoni Lx. Cret. and Tert. Fl., p. 83, pi. xvi, f. 1, 2, 
1883; Fl. Dak. Gr., p. 158, pi. xxxv, f. 1,2, 1892. 
Dakota group: Morrison, Colorado; Kansas; New Ulm, Minne- 
sota. 
Cretaceous: Glen Cove, Long Island; Marthas Vineyard. 
Sapindus obtusifolius Lx. Ann. Eept. U. S. Geol. and Geogr. Surv. 
Terr., p. 419, 1873 [1874]; Tert. Fl., p. 266, pi. xlix, f. 8-11, 1878. 
Green River group ? : Eight miles southeast of Green River Sta- 
tion, Wyoming. 
Fort Union group : Bad Lands, Dakota. 
Sapindus stellarissfolius Lx. Tert. Fl., p. 264, pi. xlix, f. 1, 1878. 
Green River group : Florissant, Colorado. 
Sapindus undulatus Al. Br. in Stizenberger. Verstein, p. 87, 1851 ; 
Lx., Trans. Am. Phil. Soc, vol. xiii, p. 420, pi. xxii, f. 6, 1869. 
Eolignitic : Mississippi. 
Sapindus sp., Dn. Trans. Roy. Soc. Canada, vol. v, sec. iv, p. 35, 1887 
[1888J. 
Upper Laramie group: North Saskatchewan. 
Sapindus sp., Kn. Bull. Geol. Soc. Am., vol. viii, p. 142, 1897. 
Laramie group?: "Dutton Creek coal," Wyoming. 
SAPOTACITES Ettingshausen. Abhandl. d. k. k. Geol. Reichsan- 
stalt. [Tert. Fl. Haring], vol. ii, abt. iii, p. 61, 1853. 
Sapotacites americanus Lx. Geol. Tenn., p. 428, pi. K., f. 8, 1869. 
Pleistocene?: Somerville, Fayette County, Tennessee. 
Sapotacites Haydenii Heer. Proc. Phil. Acad. Sci., vol. x, p. 265, 
1858; Newby., Later Extinct Floras, p. 8, 1868. 
Dakota group : Kansas. 
Sapotacites retusus Heer. Fl. Foss. Arct., vol. vii, p. 32, pi. lxi, f. 10, 
1883; Newby., Fl. Amboy Clays, p. 123, pi. liii, f. 5, 6, 1895 [1896J. 
Amboy clay, Woodbridge, New Jersey. 
Sapotacites sp.? Lx. Fl. Dak. Gr., p. 114, pi. lxv, f. 3, 1892. 
Dakota group : Kansas. 
SASSAFRAS Linnaeus. Syst., ed. i, 1735. 
Sassafras acutilobum Lx. Cret. Fl., p. 79, pi. xiv, f. 1-2, 1874; Hoi 
lick, Trans. N. Y. Acad. Sci., vol. xii, p. 236, pi. vii, f. 1, 1893. 
Dakota group : Salina River, Kansas. 
Cretaceous : Glen Cove, Long Island ; Marthas Vineyard. 
Amboy clay : Woodbridge, New Jersey. 
Clay marl (Upper Cretaceous) : Cliffwood, New Jersey. 
Sassafras bilobatum Font. Potomac Fl., p. 290, pi. clvi, f. 12; clxiv, 
f. 4, 1889. 
Potomac formation : Near Brooke, Virginia. 
