PLANTS. 



bicornutus, Lesquereux, 1870, Geo. Sur. 

 111., vol. 4, Coal Meas. [Sig. from two 

 short horns at the base.] 

 Rhabdocakpus, Goeppert & Berger, 1848, de 



Fruct. et Sem. [Ety. rhabdos, stria ; 



karpos, fruit.] 

 acuminatus, Newberry, 1873, Ohio Pal., 



vol. 1, Coal Meas. [Sig. pointed.] 

 amygdaliformis, Goeppert & Berger, 1848, 



de Fruct et Sem., Coal Meas. [Sig. 



like the almond, Amygdalm.] 

 apiculatus, Newberry, 1873, Ohio Pal., 



vol. 1, Coal Meas. [Sig. pointed.] 

 arcuatus, Lesquereux, 1861, Geo. Sur. 



Ky., Coal Meas. [Sig. bent.] 

 cariuatus, Newberry, 1873, Ohio Pal., vol. 



1, Coal Meas. [Sig. keeled.] 

 clavatus, Sternberg, 1820, (Carpolithes 



clavatus) Vers. Darst. Flora der Vor- 



welt, Coal Meas. [Sig. club-shaped.] 

 costatus, Newberry, 1873, Ohio Pal., vol. 



1, Coal Meas. [Sig. ribbed.] 

 danai, Foster, 1854, Ann. of Sci., vol. 1, 



Coal Meas. [Ety. proper name.] 

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



vol. 8, Coal Meas. [Sig. remarkable.] 

 lsevis, Newberry, 1873, Ohio Pal., vol. 1, 



Coal Meas. [Sig. smooth.] 

 mammillatus, Lesquereux, 1870,Geo. Sur. 



111., vol. 4, Coal Meas. Sig. mammil- 



lated.] 

 minutus, Lesquereux, I860, Geo.Sur.Ark., 



vol. 2, Coal Meas. [Sig. very small.] 

 venosus, Lesquereux, 1858, Geo. Sur. 



Penn., vol. 2, Coal Meas. [Sig. full of 



veins.] 

 Rhachiopteris, Dawson, 1862, Quar. Jour. 



Geo. Soc, vol. 18. [Ety. rachis, a ridge; 



pteris, a fern.] 

 cyclopteroides, Dawson, 1862, Quar. Jour. 



Geo. Soc, vol. 18, Catskill Gr. [Ety. 



like the genus Cychpteris.} 

 gigantea, Dawson, 1871, Foss. Plants Can., 



Devonian. [Sig. very large.] 

 palmata, Dawson, 1870, Proc. Royal Soc, 



Devonian. [Sig. like the palm tree.] 

 pinnata, Dawson, 1862, Quar. Jour. Geo. 



Soc,vol. 18, Ham.Gr. [Sig. feathered.] 

 punctata, Dawson, 1862, Quar. Jour.Geo. 



Soc, vol. 18, Catskill Gr. [Sig. punc- 

 tured.] 

 striata, Dawson, 1862, Quar. Jour. Geo. 



Soc, vol. 18, Ham.Gr. [Sig. striated.] 

 tenuistriata, Dawson, 1862, Quar. Jour. 



Geo. Soc, vol. 18, Ham. Gr. [Sig. 



fine-lined.] 

 Rhacophyllum, Schimper, 1869, Palseonto- 



logie Vegetale. [Ety. rakos, rugged; 



phyllon, a leaf.] 

 affine, Lesquereux, 1858, (Pachyphyllum 



affine) Geo.Sur.Penn., vol.2,CoalMeas. 



[Sig. nearto; related to R. fimbriatum.] 

 fimbriatum, Lesquereux, 1858, (Pachy- 

 phyllum fimbriatum) Geo. Sur. Penn., 



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

 hirsutum, Lesquereux, 1858, (Pachyphyl- 

 lum hirsutum) Geo. Sur. Penn., vol. 2, 

 Coal Meas. [Sig. hairy.] 



laceratum, Lesquereux, 1858, (Pachy- 

 phyllum laceratum) Geo. Sur. Penn., 

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

 lactuca, Brongniart, 1828, Hist.Veg. Foss., 

 Coal Meas. [Ety. lactuca, Lettuce.] 

 Ehizolithes, F. Braun, 1847, in Flora, etc. 

 [Ety. rhiza, a root ; lithos, stone.] 

 palmatifidus, Lesquereux, 1860, Geo. Sur. 

 Ark., vol. 2, Coal Meas. [Sig. divided 

 like a hand.] 

 Rhizomopteris, Schimper, 1869, Traite de 

 Palseontologie Vegetale. [Sig. the 

 rhizomas of ferns.] This was formed 

 to include Sclaginites uncinatus and S. 

 erdmanni.] 

 Rotularia longifolia, see Sphenophyllum lon- 



gifolium. 



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



[Ety. rusos, rugose ; phykos, sea-plant.] 



bilobatus, Vanuxem, 1842, (Fucoides 



bilobatus) Geo. Rep. N. Y., Cin'ti & 



Clinton Gr. [Sig. two-lobed.] 



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



Clinton Gr. [Sig. club-shaped.] 

 grenvillensis, Billings, 1862, Pal. Foss., 

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

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

 Hud. Riv. & Clinton Gr. [Sig. shame- 

 faced, modest.] 

 subangulatus, Hall, 1852, Pal. N. Y., vol. 

 2, Clinton Gr. [Sig. somewhat angu- 

 lated.] 

 Sagenaria, Brongniart, 1822, Memoires du 

 Museum d'Histoire Naturelle. 

 veltheimiana, see Lepidodendron velthei- 

 manum. 

 Schizopteris, Brongniart, 1828, Hist.Veg. Foss. 

 [Ety. schizo, to cleave; pteris, a fern.] 

 lactuca, see Hymenophyllites lactuca. 

 Schutzia, Goeppert, 1848", Permian Flora. 

 [Ety. proper name.] 

 bracteata Lesquereux, 1870, Geo. Sur. 

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

 with leaves or plates.] 

 Scolithus, Haldeman, 1840, Supp. to Mon- 

 ograph of Limniades. [Ety. xcolex, a 

 worm ; lithos, a stone.] 

 canadensis, Billings, 1862, Pal. Foss., vol. 

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

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

 Potsdam to Hud. Riv. Gr. [Sig. drawn 

 out in lines.] 

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

 Medina sandstone. [Ety. from pene- 

 trating the strata vertically.] 

 Scolopendrites, Lesquereux, 1858, Geo. Sur. 

 Penn., vol. 2. [Ety. from the living 

 fern Scolopendrium.] 

 dentatus, Lesquereux, 1858, Geo. Sur. 

 Penn., vol. 2, Coal Meas. [Ety. den- 

 tatus, toothed.] In the text the spe- 

 cific name is written grosse-dentata, a 

 Franco-Latin hybrid, but on plate 8, 

 fig. 7, the name is corrected by leav- 

 ing off the French. 

 Selaginites, Brongniart, 1828, Prodr. Hist. 

 Veg. Foss. [Ety. from the plant 

 Selago.'] 



