138 



PLANTS. 



iRHI. 



fucoideum, Lesquereux, 1880, Coal Flora 



of Pa., p. 325, Coal Meas. 

 hamulosum, Lesquereux, 1880, Coal Flora 



of Pa., p. 321, Coal Meas. 

 hirsutum, Lesquereux, 1868, (Pachyphyl- 



lum hirsutum,) Ceo. Bur. Pa., vol. 2, p. 



863, Coal Meas. 

 inllatum, Lesquereux, 1870, (Hymeno- 



phyllites infiatus,) Geo. Sur. 111., vol. 4, 



p. 414, Coal Meas. 

 irregulare, Germar, 1844, (Apblebia irreg- 

 ularis,) Verst. d. Steink. v. Wettin u. 



Lobejun.'p. 57, and Coal Flora of Pa., 



p. 326, Coal Meas. 

 laceratum, Lesquereux, 1858, (Pachyphyl- 



lum laceratum,) Geo. Sur. Pa., vol. 2, 



p. 863, Coal Meas. 

 laciniatum, Fontaine A White, 1880, Form. 



or Up. Carb. Flora, p. i»4, Coal Meas. or 



Permian. 



Fig. 6».— Khaoophylluin lactucu. 



lactuca, Sternberg, 18113, (Schizopteris lac- 



tura,) Flor. d. Vorw. vol. 2, p. Ill', and 



Coal Flora of I'a., p. ."515, Coal M< 

 membranaceum, Lesquereux, 1880, Coal 



Flora of Pa., p. 312, Coal Meas. 

 molle, Lesquereux, 1870, (Hymenophyl- 



lites mollis,) Geo. Sur. 111., vol. 4, p. 418, 



Coal Meas. 

 scolopendrites, Lesquereux, 1868. (Scolo- 



pendrites dentatus, ) Geo. Sur. Pa., vol. 



2, p. 868, Coal Me 

 spinosum, Lesquereux, 1880, Coal Flora 



of Pa., p. 320, Coal Meas. 

 strongi, Lesquereux, 1870, (Hymenophyl- 



lites strongi,) Geo. Sur. 111., vol. 4, p. 



417, Coal Meas. 

 thalliforme, Lesquereux, 1870, (Hymen- 



ophyllites tballiformis, i Geo. Sur. 111., 



vol. 4, p. 417, Coal Meas. 

 tricboideum, Lesquereux, 1880, Coal Flora 



of Pa., p. 322, Coal Meas. 

 truncatum, Lesquereux, 1880, Coal Flora 



of Pa., p. 311, Coal Meas. 

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



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

 palmatifidus, see Pinnularia palmatifidus. 

 RMzomopteris, Schimper, 1869, Traits de 



Paleontologie Vegetale, vol. 1, p. 699. 



[Sig. the rhizomas of ferns.] This genus, 



."« the name indicates, comprehends the 



rhizomas of ferns. Type, K. lyeope- 

 dioides. Some of the species of Lyco- 

 dites as L. uncinatus have been re- 

 ferred to it. 



Khizomorpha, Roth, as identified by Les- 

 quereux, Coal Flora of Pa., p. 3. [Ety. 

 rhiza, root; morpha, form.] Fungous 

 filaments of hard substance, disposed in 

 branches abnormally divided, and often 

 anastomosing; generally living under 

 the decaying bark of trees, 

 sigillariup, Lesquereux, 1877, Proc. Am. 

 Phil. Soc, p. 174, and Coal Flora of Pa., 

 p. 3, Coal Meas. 



Rotularia longifulia, see Sphenophyllum lon- 

 gifolium. 



RusoiMiYi i ra, Hall, 1852, Pal. N. Y., vol. 2, 

 p. 23. [Ety. rusos, rugose; phykos, sea- 

 plant.] Simple or branched .stems, 

 transversely wrinkled, and often pos- 

 sessing a central longitudinal depres- 

 sion. Type R. clavatum. 

 asperum. .Miller a Dyer, 1878, Jour. Cin. 

 Soc. Nat. Hist, vol. 1., p. 25, Utica 

 Slate, 

 bilohatu'ii, Vanuxeui. 

 1842, I Fncoidei bi- 

 lobataa, I too. Ren. 



N. i\, p. 7!t, 1 1 n.l. 



Kiv. and Clinton, 



(ir. 

 clavatum, Hall, 1852, 



M. N. Y., vol. 2, 



p. L':i, Clinton (Jr. 

 grenvillense, Bil- 

 lings. L86S, Pal. 

 -., vol. l, j». mi, 



Cbazy Ghr. 

 pndieuin, Hall, 1852, 



Pal. V V.. vol. 2, 



p. 24. Hud. Riv. and 



< Union <ir. 

 subangulatum. Hall, 



y 



VOl. 2, p. 23, Clin- 1. il<. Latum. 



ton (ir. 



Sagenaria veUhiimiama, see l.epidodendron 

 veltheimianum. 



Bapobi i a. Fontaine & White, 1K80, Perm. 

 or Up. Carb. Flora, p. 99. [Ety. proper 

 name.] Leaves simple, subreniform, 

 tlabellate or suborbicular, cuneate, bor- 

 dered at the base with a woody rim, 

 terminal margin incised ; petiole long, 

 slender, and grooved on the upper sur- 

 face ; nerves parting ilabellately from 

 the summit of the petiole and the 

 woody basal margin, all passing into 

 the laminae ; leaf substance thin. Type 

 S. grandifolia. 

 grandifolia, Fontaine <& White, 1880, Perm, 

 or Up. Carb. Flora, p. 101, Coal Meas. 

 or Permian, 

 salisburioides, Fontaine & White, 1880, 

 Perm, or Up. Carb. Flora, p. 102, Coal 

 Meas. or Permian. 



Schizopteris, Brongniart, 1828, Prodr. d. Hist, 

 d. Veg. Fos8., p. 63. [Ety. schizo, I 

 cleave; pterin, fern.] Frond laciniate, 



1852, Pal. N. i ., |. 1(i7( , i:,is.,|,iiycus 



