66 CATALOGUE OF THE CRETACEOUS AND [bull. 152. 
Celtis rugosa Newby. Proc. U. S. Nat. Mus., vol. v, p. 510, 1882 [1883]. 
Tertiary: Tongue River, Wyoming. 
CEPHALOTAXOPSIS Fontaine. Potomac Fl., p. 235, 1889. 
Cephalotaxopsis brevifolia Font. Potomac Fl., p. 238, pi. cv, f. 3; 
cvi, f. 5; cvii, f. 5,1889. 
Potomac formation: Fredericksburg, near Dutch Gap Canal and 
near Potomac Run, Virginia. 
Cephalotaxopsis magnifolia Font. Potomac Fl., p. 336, pi. civ, f. 4, 5 ; 
cv, f. 1, 2, 4; cvi, f. 1, 3; cvii, f. 1, 2, 4; cviii, f. 1, 3, 4, 1889. 
Horsetown beds : Tehama County, California. 
Potomac formation : Near Dutch Gap Canal and Fredericksburg, 
Virginia. 
Cephalotaxopsis microphylla Font. Potomac Fl., p. 238, pi. cviii, f. 
5 5 cix, f.9,1889. 
Potomac formation : Fredericksburg and near Dutch Gap Canal, 
Virginia. 
Cephalotaxopsis ramosa Font. Potomac FL, p. 237, pi. civ, f. 2, 3 ; 
cvi, f. 2, 4; cvii, f. 3; cviii, f. 2, 1889. 
Potomac formation : Fredericksburg and near Potomac Run, Vir- 
ginia. 
Cephalotaxopsis sp., Dn. Trans. Roy. Soc. Canada, vol. x, sec. iv, p. 
89, 1892 [1893]. 
Kootanie : Anthracite, British Columbia. 
Cephalotaxopsis sp., Font. In Diller and Stanton, Bull. Geol. Soc. 
Am., vol. v, p. 450, 1894. 
Knoxville beds: Tehama County, California. 
CERCIS Linna3us. Sp. PI., ed. i, p. 374, 1753. 
Cercis borealis Newby. Proc. U. S. Nat. Mus., vol. v, p. 510, 1882 
[1883]. 
Fort Union group : Valley of the Yellowstone River. 
Cercis eocenica Lx. Ann. Rept. U. S. Geol. and Geogr. Surv. Terr., 
p. 384, 1872 [1873]. [Not afterwards recognized by its author.] 
Laramie group ? : Erie, Colorado. 
Cercis parvifolia Lx. Oret. and Tert. Fl., p. 201, pi. xxxi, f. 5-7, 1883. 
Green River group : Florissant, Colorado. 
Cercis truncata Lx. Cret. and Tert. Fl., p. 237, 1883. 
Fort Union group : Bad Lands, Dakota. 
CERCOCARPUS Humbolt Bonpland and Kunth Nov. Gen. et Sp., 
vol. vi, p. 232, 1823. 
Cercocarpus antiquus Lx. Mem. Mus. Comp. Zool., vol. vi, no. 2, p. 37, 
pi. x, f. 6-11, 1878 j Cret. and Tert. FL, p. 265, pi. xlvB, f. 2, 1883. 
Miocene : Table Mountain, California. 
CHAM-EJCYPARIS S;oach. Hist. Veg v Phan., vol. xi, p. 329, 1842. 
