132 CATALOGUE OF THE CRETACEOUS AND [bull, 152. 
Leguminosites sp., Lx. Proc. U. S. Nat. Mus., vol. x, p. 43, 1887. 
: Upper Kanab Valley, Utah. 
Leguminosites sp., Lx. lu Diller, Eighth Ann. Kept. U. S. Geol. 
Surv., p. 420, 1889. 
Miocene?: Lassen County, California. 
Leguminosites sp., Lx. Geol. and Nat. Hist. Surv. Minn., vol. iii, p. 
21, 1893. 
Dakota group : Goodhue Township, Minnesota. 
Leguminosites sp., Lx. Proc. U. S. Nat. Mus. vol. xi, p. 30, 1888. 
Eocene 1 ?: Lassen County, California. 
LEMNA Linnaeus. Syst, ed. i, 1735. 
Lemna ? bullata Lx. Bull. U. S. Geol. and Geogr. Surv. Terr., vol. i, 
p. 363, 1875 [1876]. 
Laramie group : Point of Eocks, Wyoming. 
Lemna penicillata Lx. Cret. and Tert. Fl., p. 143, pi. xxiii, f. 8, 1883. 
Green Eiver group : Florissant, Colorado. 
Lemna scutata Dn. Kept, on Geol. 49th Parallel, Appen. A, p. 329, 
pi. xvi, f. 5, 6, 1875 ; Trans. Koy. Soc. Canada, vol. iv, sec. iv, p. 23, pi. i, 
f. 6, 1886 [1887]. 
Fort Union group : Burns's Banch, Montana. 
Lignitic Tertiary: Near forty-ninth parallel. 
Montana group : Point of Rocks, Wyoming. 
Laramie group : Wood Mountain, Pincher Creek, British Columbia. 
LEPTOSTROBUS Heer. Fl. Foss. Arct., vol. iv, abt. ii : Mem. Acad. 
Imp. Sci. St. P., 7th ser., vol. xxii, no. 12, p. 72, 1876. 
Leptostrobus foliosus Font. Potomac Fl., p. 230, pi. ci, f. 4; ciii, f. 5; 
civ, f. 1, 1889. 
Potomac formation : Dutch Gap Canal, Virginia. 
Leptostrobus longifolius Font. Potomac Fl., p. 228, pi. ci, f. 2, 3; 
cii, f. 1-4; ciii, f. 6-12; civ, f. 6, 1889. 
Potomac formation: Fredericksburg, near Brooke, near Potomac 
Bun, and near Dutch Gap Canal, Virginia. 
Kootanie: Anthracite and Canmore, British Columbia. 
Leptostrobus ? multiflorus Font. Potomac Fl., p. 230, pi. clxv, f. 6, 
1889. 
Potomac formation : near Brooke, Virginia. 
Leptostrobus ? seeds of, sp., Font. Potomac Fl., p. 332, pi. cxxxvi, 
f. 11, 1889. 
Potomac formation: Kankeys, Virginia. 
Leptostrobus ? seeds of, (a) sp., Font. Potomac Fl., p. 231, pi. cxxxv, 
f. 6, 1889. 
Potomac formation: Near Dutch Gap Canal, Virginia. 
Leptostrobus ? seeds of, (b) sp., Font. Potomac Fl., p. 231, pi. 
cxxxvi, f. 10, 1889. 
Potomac formation : Near Dutch Gap Canal, Virginia. 
