PLANTS. 



n 



obliqua, Gceppert, 1841, Gatt. Foss. Pflan- 

 zen, Coal Meas. [Ety. from the ob- 

 lique attachment of the leaves.] . 



obtusa, Lesquereux, 1858, Geo.Sur.Penn., 

 vol. 2, Coal Meas. [Ety. obtusus, from 

 the blunt termination" of the leaf.] 

 Prof. Dawson refers this species to the 

 genus Cyclopteris. 

 Odontopteris, Brongniart, 1822, Mem. du 

 Mus. d'Hist. Nat. de Paris. [Ety. 

 odous, a tooth ; pteris, a fern.] 



sequalis, Lesquereux, 1866, Geo. Sur. 111., 

 vol. 2, Coal Meas. [Sig. equal, of the 

 same shape as another.] 



alata, Lesquereux, 1858, Catal. Pottsville 

 Foss., Coal Meas. [Sig. winged.] 



antiqua, Dawson, 1863, Can. Nat. & Geo., 

 Coal Meas. [Sig. ancient.] 



bradleyi, Lesquereux, 1870, Geo. Sur. 111., 

 vol. 4, Coal Meas. [Ety. proper name.] 



brardi, Brongniart, 1828, Prodr. Hist. Veg. 

 Foss., Coal Meas. [Ety. proper name.] 



crenulata, Brongniart, 1828, Hist. Veg. 

 Foss., Coal Meas. [Sig. crenulated.] 



dubia, Lesquereux, 1858, Geo. Sur. Penn., 

 vol. 2, Coal Meas. [Sig. doubtful.] 



gracillima, Newberry, 1873, Ohio Pal., 

 vol. 1, Coal Meas. [Sig. very slender.] 



heterophvlla, Lesquereux, 1866, Geo. Sur. 

 111., vol. 2, Coal Meas. [Ety. heteros, 

 different ; phyllon, a leaf.] 



intermedia, Lesquereux, 1860, Geo. Sur. 

 Ark., vol. 2, Coal Meas. [Sig. inter- 

 mediate.] 



neuropteroides, Newberry, 1873, Ohio 

 Pal., vol. 1, Lower, Coal Meas. [Ety. 

 from its resemblance to Neuropteris.] 



schlotheimi, Brongniart, 1828, Hist. Veg. 

 Foss., Coal Meas. [Ety. proper name.] 



squamosa, Lesquereux, 1858, Geo. Sur. 

 Penn., vol. 2, Coal Meas. [Sig. scaly.] 



subcuneata, Bunbury, 1847, Quar. Geo. 

 Jour., vol. 3, Coal Meas. [Sig. some- 

 what wedge-shaped.] 



wortheni, Lesquereux, 1866, Geo. Sur. 111., 



vol. 2, Coal Meas. [Ety. proper name.] 



Ormoxylox, Dawson, 1871, Foss. Plants 



Canada. (Ety. ormos, a chain, a cord; 



xylrni, wood.] 



eriahum, Dawson, 1871, Foss. Plants Can- 

 ada, Devonian. [Ety. proper name.] 

 Orthogonioptekis, Andrews, 1875, Ohio 

 Pal., vol. 2. [Ety. orthogoniopteris, 

 rectangular-fern.] 



clara, Andrews, 1875, Ohio Pal., vol. 2, 

 Coal Meas. [Sig. clear, distinct.] 



gilberti, Andrews, 1875, Ohio Pal., vol. 2, 

 Coal Meas. [Ety. proper name.] 

 Pachyphyllum, Lesquereux, 1858, Geo. Sur. 

 Penn., vol. 2. [Ety. pachys, thick; 

 phyllon, a leaf.] This name was pre- 

 occupied in the class Polypi. See 

 Rhacophyllum. 



affine, see Ehacophyllum affine. 

 fimbriatum,see Rhacophyllum fimbriatum. 



hirsutum, see Rhacophyllum hirsutum. 



laceratum, see Rhacophyllum laceratum. 



lactuea, see Rhacophyllum lactuca. 



Pachypteris, Brongniart, 1828, Prodr. Hist, 



Veg. Foss. [Ety. pachys, thick ; pteris. 



fern.] 

 gracillima, Lesquereux, 1870,Geo. Sur. III., 



vol. 4, Coal Meas. [Sig. very slender.] 

 Pal.eochorda, McCoy, 1849, Quar. Jour. 



Geol. Soc, vol. 4. [Ety. palaios, 



ancient; chorde, an intestine.] 

 marina, Fitch, 1856, Am. Geol., Potsdam 



Gr. [Sig. pertaining to the sea.] 

 tenuis, Fitch, 1856, Am. Geol., Potsdam 



Gr. [Sig. slender.] 

 Paljsophycus, Hall, 1847, Pal. N. Y., vol. 1. 



[Ety. palaios, ancient; phykos, sea- 

 weed.] 

 articulatus, Winchell, 1864, Am. Jour. Sci. 



& Arts, 2d series, vol. 37, Potsdam Gr. 



[Ety. from the articulated stems.] 

 beauharnoisensis, Billings, 1862, Pal.Foss., 



vol. 1, Calcif. Gr. [Ety. proper name.] 

 beverleyensis, Billings,1862,Pal. Foss.,vol. 



1, Potsdam Gr. [Ety. proper name.] 

 congregatus, Billings, 1861, Pal. Foss., vol. 



1, Potsdam Gr. [Sig. assembled to- 

 gether.] 

 divaricatus, Lesquereux, 1876, 7th Ann. 



Rep. Geol. Sur. Ind., Coal Meas. [Sig. 



wide apart.] 

 funiculus, Billings, 1862, Pal. Foss., vol. 



1, Calcif. Gr. [Sig. a rope.] 

 gracilis, Lesquereux, 1876, 7th Ann. Rep. 



Geol. Sur. Ind., Coal Meas. [Sig. 



slender.] 

 incipiens, Billings, 1861, Pal. Foss., vol. 1, 



Potsdam Gr. [Sig. the beginning.] 

 informis, Winchell, 1864, Am. Jour. Sci. 



& Arts, vol. 87, Potsdam Gr. [Sig. 



shapeless.] 

 irregularis, Hall, 1847, Pal. N. Y., vol. 1, 



Calcif. Gr. [Sig. irregular.] 

 milleri, Lesquereux, 1876, 7th Ann. Rep. 



Geol. Sur. Ind., Coal Meas. [Ety. 



proper name.] 

 obscurus, Billings, 1862, Pal. Foss., vol. 



1, Trenton Gr. [Sig. obscure.] 

 rogosus, Hall, 1847, Pal. N. Y., vol. 1, 



Trenton Gr. [Sig. full of wrinkles.] 

 simplex, Hall, 1847, Pal. N. Y., vol. 1, 



Trenton Gr. [Sig. simple.] 

 striatus, Hall, 1852, Pal. N. Y., vol. 2, 



Clinton Gr. [Sig. striated.] 

 tortuosus, Hall, 1852, Pal. N. Y., vol. 2, 



Medina sandstone. [Ety. from the 



tortuous branches.] 

 tubularis, Hall, 1847, Pal. N. Y., vol. 1, 



Calcif. Gr. [Sig. hollow like a pipe.] 

 virgatus, Hall, 1847, Pal. N. Y., vol. 1, 



Hud. Riv. Gr. [Sig. twig-like.] 

 Palseopteiis, being preoccupied, see Arch- 



seopteris. 

 acadica, see Archseopteris acadica. 

 hartii, see Archseopteris harti. 

 Pal^oxyris, Brongniart, 1828, Ann. Sc. Nat., 



vol. 15. [Ety. palaios, ancient; Xyris,& 



plant.] 

 appendiculata, Lesquereux, 1870, Geo. 



Sur. 111., vol. 4, Coal Meas. [Sig. 



having lateral appendages.] 



