158 CATALOGUE OF THE CRETACEOUS AND [hull. 152. 
Palmocarpon lineatum Lx. Bull. Mus. Comp. Zool., vol. xvi, p. 44, 
1888. 
Denver group: Golden, Colorado. 
Palmocarpon mexicanum Lx. Tert. FL, p. 119, pi. xi, f. 5, 1878. 
Carpolithes mexicanus Lx. Ann. Rept. U. S. Geol. and Geogr. Surv. Terr. 
1871, suppl., p. 17, 1871 [1872]. 
Laramie group: Placer Mountain, New Mexico. 
Palmocarpon palmarum (Lx.) n. comb. 
Palmocarpon commune Lx. Tert. FL p. 119, pi. xiii, f. 4-7, 1878. 
Carpolithes palmarum Lx. Ann. Rept. U. S. Geol. and Geogr. Surv. Terr. 
1871, suppl., p. 13, 1871 [1872]. 
Denver group: Golden, Colorado (very common). 
Laramie group: Eaton Mountains, New Mexico; Evanston and 
Black Buttes, Wyoming; Morrison and Golden, Colorado. 
Palmocarpon subcylindricum Lx. Tert. Fl., p. 121, pi. xi, f. 12, 
1878. 
Denver group : Golden, Colorado. 
Palmocarpon truncatum Lx. Tert. Fl., p. 120, pi. xi, f. 6-9, 1878. 
: Golden, Colorado. 
PALMOXYLON Schenk. Engler's bot. Jahrb., vol. iii, p. 486, 1882. 
Palmoxylon cellulosum Kn. Proc. U. S. Nat. Mus., vol. xi, p. 90, 
pi. xxx, f. 2, 1888. 
: Eapides Parish, Louisiana. 
Palmoxylon Quenstedti Felix. Foss. Holz. Westindiens, p. 25, pi. 
iv, f. 4, 1883; Kn., Proc. U. S. Nat. Mus., vol. xi, p. 90, pi. iv, f. 4, 1888. 
— — — : Eapides Parish, Louisiana. 
PARROTIA C. A. Meyer. Verz. Pfl. Cane, p. 46, 1831. 
Parrotia Canfieldi Lx. Fl. Dak. Gr., p. 141, pi. xxx, f. 6, 1892. 
Dakota group : Kansas. 
Parrotia grandidentata Lx. Fl. Dak. Gr., p. 140, pi. xxxix, f. 2-4, 
1892. 
Dakota group : Kansas. 
Parrotia? Winchelli Lx. Fl. Dak. Gr., p. 140, pi. xxix, f. 5, 6, 1892. 
Dakota group: Minnesota; Kansas. 
PASSIFLORA Linnaeus. Syst., ed. i, 1735. 
Passiflora antiqua Newby. Fl. Amboy Clays, p. 109, pi. xxiii, f. 7, 
1895 [1896]. 
Amboy clay : Woodbridge, New Jersey. 
PECOPTERIS Brongniart. Hist. Veg. Foss., p. 267, 1828. 
Pecopteris angustipennis Font. Potomac FL, p. 87, pi. xxi, f. 10, 1889. 
Potomac formation : Near Dutch Gap Canal, Virginia. 
Pecopteris brevipennis Font. Potomac FL, p. 86, pi. xxi, f. 1-3, 1889. 
Potomac formation: Near Potomac Eun, and near Dutch Gap 
Canal, Virginia. 
Pecopteris Browniana Dunk. = Cladophlebis Browniana. 
