knowlton] TERTIARY PLANTS OF NORTH AMERICA. 107 
Ficus sp., Kn. Bull. Geol. Soc. Am., vol. viii, p. 145, 1897. 
Laramie group: Rock Springs, Wyoming. 
Ficus sp., Kn. Bull. Geol. Soc. Am., vol. viii, p. 145, 1897. 
Fort Union group: Black Buttes, Wyoming. 
FITTONIA Carruthers. Trans. Linn. Soc. London, vol. xxyi, p. 680, 
1868. 
FLABELLARIA (comm.) L'Hcritier. Stirp. Nov., p. 59, 1785. 
Flabellaria communis Lx. = Flabellaria eocenica. 
Flabellaria eocenica Lx. Ann. Eept. U. S. Geol. and Geogr. Surv. 
Terr., p. 391, 1872 [1873J ; Tert. Fl., p. Ill, pi. xiii, f. 1-3, 1878. 
Saba] communis Lx. Ann. Rept. U. S. Geol. and Geogr. Snrv. Terr., p. 311, 
1874 [1876]. 
Flabellaria communis Lx. Bull. U. S. Geol. and Geogr. Surv. Terr., vol. i, p. 
385,1875 [1876]. 
Laramie group: Black Buttes, Wyoming; Golden, Colorado. 
Flabellaria florissanti Lx. Oret. and Tert. Fl., p. 144, pi. xxiv, f. 
l-2a, 1883. 
Green River group: Uinta County, formerly but wrongly called 
Randolph County, Wyoming. 
Flabellaria latania Rossm. Verstein. Braunkohl. v. Altsattel, p. 39, 
pi. xi, f. 49, 1840; Lx., Ann. Rept. U. S. Geol. and Geogr. Surv. 
Terr., p. 377, 1872 [1873], [Not afterwards recognized by Lesquereux.] 
: Golden, Colorado. 
Flabellaria longirachis Ung. Lx. 1873 = Geonomites tenuirachis. 
Flabellaria? minima Lx. Cret. FL, p. 56, pi. xxx, f. 12, 1874. 
Dakota group : Western Kansas. 
Flabellaria Zinckeni Heer Lx. 1872=Geonomites goldianus. 
FONTAINEA Newberry. Fl. Amboy Clays, p. 94, 1895 [1896. J 
Fontainea grandifolia Newby. Fl. Amboy Clays, p. 96, pi. xlv, f. 
1-4, 1895 [1896]. 
Amboy clay : Woodbridge, New Jersey. 
FONTINALIS Linnaeus. Gen. PL, p. 323, 1737. 
Fontinalis pristina Lx. Cret. and Tert. FL, p. 135, pi. xxi, f. 9, 1883. 
Green River group : Florissant, Colorado. 
Fontinalis sp., Dn. Can. Nat., vol. iii, new ser., p. 73, 1868. 
Pleistocene: Greens Creek, Ottawa River, Canada. 
Fontinalis sp., Hinde. Canadian Journal [Can. Institute], vol. xv, p. 
399, 1878. 
Interglacial : Scarboro Heights, Ontario. 
Fragment No. 1 Font. Potomac FL, p. 190, 1889. 
Potomac formation: Between Washington and Baltimore. 
Fragment No. 2 Font. Potomac Fl. p. 192, 1889. 
Potomac formation : Baltimore, Maryland. 
