PLANT.E. 



33 



obliqua, Goeppert, 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. ohhmis, 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. 

 odoiis, a tooth ; pteris, a fern.] 

 a^qualis, Lesquereux, ISfiiJ, 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. anciei;it.] 



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.] 

 graciliima, Newberry, 1873, Ohio Pal., 

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

 heterophylla, 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 NeuropterisJ\ 

 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.] 

 Ormoxylon, Dawson, 1871, Foss. Plants 

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

 xylon, wood.] 

 erianum, Dawson, 1871, Foss. Plants Can- 

 ada, Devonian. [Ety. proper name.] 

 Orthogoniopteris, 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.] 

 Pachyphyllurn, 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. 

 Jimbriatum,see Rhacophyllum fimbriatum. 

 hirsutum, see Rhacophyllum hirsutum. 

 laceratum, see Rhacophyllum laceratum. 

 lactuca, see Rhacophyllum lactuca. 

 5 



Pachy PTERIS, Brongniart, 1828, Prodr. Hist, 



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



fern.] 

 graciliima, Lesquereux, 1870,Geo. Sur. 111., 



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

 Pal^ochorda, McCoy, 1849, Quar. Jour. 



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



ancient; cfiorde, an intestine.] 

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



Gr. [Sig. pertaining to the sea.] 

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



Gr. [Sig. slender.] 

 Pal^ophycus, Hall, 1847, Pal. N. Y., vol. 1. 



[Ety. pcdaios, ancient; pfiykos, 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.] 

 Palseopteris, 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, a 

 plant.] 

 appendiculata, Lesquereux, 1870, Geo. 

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

 ha\1ng lateral appendages.] 



