knowmon.] TEKTIAKY PLANTS OF NORTH AMERICA. 109 
Fraxinus sp., Ku. Bull. Geol. Soc. Aim, vol. viii, p. 142. 1897. 
Laramie group?: •• Dutton Creek Coal," Wyoming. 
FRENELITES Endlicher. Synop. Conif., p, 273, 1847. 
Frenelites Reichii Ett. Hollick, Trans. N.Y. Acad. Sci., vol. xii, p. 
29, pi. i, f. 23, 1892. 
Cretaceous: Kreischerville, Staten Island; Marthas Vineyard. 
FRENELOFSIS Schenk. Pakeontographica, vol. xix, p. 13, 1869. 
Frenelopsis gracilis Newby. PI. Amboy Clays, p. 59, pi. xii, f. l-3a, 
1895 [1896]. 
Amboy clay : Woodbridge, New Jersey. 
Frenelopsis Hoheneggeri (Ett.) Schenk? Palaeontographica, vol. 
xix, heft i,p. 13, pi. iv, f. 5-7; v, f. 1, 2; vi, f. 1-6; vii, f. 1, 1869; 
Newby., Fl. Amboy Clays, p. 58, pi. xii, f. 4, 5, 1895 [1896 J. 
Amboy clay : Woodbridge, New Jersey. 
Trinity division : Glenrose, Texas. 
Frenelopsis parceramosa Font. Potomac FL, p. 218, pi. cxi, f. 1-5; 
cxii, f. 1-5; clxviii, f. 1, 1889. 
Potomac formation: Trents Peach, Virginia. 
Frenelopsis ramosissima Font. Potomac Fl., p. 215, pi. xcv-xcix; 
e, f. 1-3; ci. f. 1, 1889. 
Potomac formation : Fredericksburg, Virginia ; Baltimore, Mary- 
land. 
Frenelopsis varians Font. Proc. U. S. Nat. Mus.. vol. xvi, p. 273, 
pi. xl, f. 1, 2; pi. xii, f. l-3a, 1893. 
Trinity division : Glenrose, Texas. 
Fruit capsules sp., Font. Potomac Fl., p. 272, pi. cxxxv, f. 14, 1889. 
Potomac formation : Near Dutch Gap Canal, Virginia. 
FUCUS (Tournefort) Linnaeus. Gen. PI., p. 326, 1737. 
Fucus lignitum Lx. Bull. U. S. Geol. and Geog. Surv. Terr., vol. i, 
p. 364, 1875 [1876] ; Tert. Fl., p. 42, pi. lxi, f. 24, 24«, 1878. 
Montana formation : Point of Rocks, Wyoming. 
Fort Union group: Burns Ranch, Montana. 
Fucus digitatus Penhallow. Trans. Roy. Soc. Canada, 2d ser., vol. 
ii, sec. iv, p. Q6, 71, 1896. 
Fucus sp., Penhallow. Bull. Geol. Soc. Am., vol. i, p. 332, 1890. 
Pleistocene : Greens Creek and Besserer wharf, Ottawa River. 
Fucus sp., Penhallow = Fucus digitatus. 
GrALLA Ludwig. Paheontogr., vol. v, p. 108, 1857. 
Galla quercina Lx. Fl. Dak. Gr., p. 58, pi. vii, f. 2, 1892. 
Dakota group: Kansas. 
GAYLUSSACCIA Humbolt, Bonpland. and Kunth. Nov. Gen. et 
Sp., vol. iii, p. 275, 1818. 
G-aylussaccia resinosa T. and G. l)n., Can. Nat, vol. iii, new ser.. p. 
71, f. (in text.) 1, 1868; Geol. Hist. PL, p. 228, f. 77, 1888. 
Pleistocene: Greens Creek, Ottawa River, Canada. 
