72 CATALOGUE OF THE CRETACEOUS AND [bull. 152. 
Cissus laevigata Lx. Ann. Rept. U. S. Geol. and Geogr. Surv. Terr., 
p. 380, 1872 [1873J; Tert. PL, p. 238, pi. xl, f. 12, 13, 1878. 
Denver beds : Golden, Colorado. 
Arapahoe beds?: Sedalia, Colorado. 
Cissus lobato-crenata Lx. Ann. Rept. U. S. Geol. and Geogr. Surv. 
Terr., p. 396, 1872 [1873]; Tert. FL, p. 240, pi. xli, f. 1-3, 1878. 
Denver group: Golden, Mount Bross, Colorado. 
Laramie group: Black Buttes, Wyoming. 
Cissus parrotticefolia Lx. Bull. U. S. Geol. and Geogr. Surv. Terr., 
vol. i, p. 388, 1875 [1876] ; Ann. Rept. U. S. Geol. and Geogr. Surv. 
Terr., p. 314, 1874 [1876]; Tert, FL, p. 239. pi. xl, f. 15-17; pi. xlii, f. 
1, 1878. 
Denver beds : Golden, Colorado. 
Green River group?: Medicine Bow, Wyoming. 
Cissus tricuspidata (Heer) Lx. Tert. FL, p. 240, pi. xli, f. 4-7, 1878. 
Vitis (Cissus) tricuspidata Heer. Mioc. Bait. Fl., p. 91, pi. xxviii, f. 18, 19, 
1869; Lx., Ann. Rept. U. S. Geol. and Geogr. Surv. Terr., p. 396, 1872 [1873]. 
Laramie group : Black Buttes, Wyoming. 
CLADOPHLEBIS Brongniart. Tab. des generes de veg. foss., p. 
25, 1849. 
Cladophlebis acuta Font. Potomac FL, p. 74, pi. v, f. 7: pi. vii, f. 6; 
pi. x, f. 6, 7; pi. xi, f. 7, 8; pi. clxvi, f. 5, 1889. 
Potomac formation : Potomac Run, and Dutch Gap Canal, Virginia. 
Cladophlebis alata Font. Potomac FL, p. 77, pi. xix, f. 5, 1889. 
Potomac formation : Fredericksburg, Virginia. 
Cladophlebis angustifolia Newby. Am. Journ. Sci., vol. xli, p, 200, 
pi. xiv, f. 8, 1891. 
Kootanie: Great Falls, Montana. 
Cladophlebis brevipennis Font. Potomac FL, y. 81, pi. xxxvi, f. 1. 
Potomac formation : Fishing hut above Dutch Gap Canal, Virginia. 
Cladophlebis Browniana (Dunk.) Seward. Cat. Mesoz. PL Brit. 
Mus. Wealden FL, pt. i, p. 99, 1894. 
Pecopteris Browniana Dunk. Wealdenbildung, p. 5, 1846; Font., Potomac 
FL, p. 88, pi. xxii, f. 10, 11 ; xxiii, f. 2-7 ; xxvi, f. 3, 13, 1889 ; Proc. IT. S. Nat. 
Mus., vol. xv, p. 492, 1892; Dn., Trans. Roy. Soc. Canada, vol. x, sec. iv, p. 
84, f. (in text) 3, 1892 [1893]. 
Potomac formation : Fredericksburg, Dutch Gap Canal, and near 
Brooke, Virginia; Baltimore, Maryland. 
Kootanie: Great Falls, Montana; Anthracite, British Columbia. 
Cladophlebis columbiana Dn. Trans. Koy. Soc. Canada, vol. xi, 
sec. iv, p. 55, pi. v, f. 4, 5, 1893 [1894]. 
Cretaceous : Vancouver Island. 
Cladophlebis constricta Font. Potomac FL, p. 68, pi. ii, f. 11; pi. 
iii, f. 2; pi. vi, f. 5, 6, 8-14; pi. xxi, f. 9, 13; pi. clxix, f. 2, 1889. 
Kootanie: Great Falls, Montana. 
Potomac formation: Fredericksburg, Brooke Station, and Deep 
Bottom, Virginia: Baltimore, Maryland. 
