SPH.] 



PLANTS. 



143 



hartti, Dawson, 1862, Quar. Jour. Geol. 



Soc., vol. 18, p. 321, Devonian, 

 harveyi, Lesquereux, 1884, Coal Flora of 



Pa., p. 766, Coal Meas. 

 hastata, Fontaine & White, 1880, Perm. 



or Up. Carb. Flora, p. 46, Coal Meas. 



or Pt-rmian. 

 hildrethi, Let-quereux, 1858, (Hymeno- 



phyllites hildrethi,) Geo. Sur. of Pa., 



vol. 2, p. 863, Coal Meas. 

 hitchcockana, Dawson, 1862, Quar. Jour. 



Geol. Soc., v<l. 18, p. 321, Devonian, 

 hreninghausi, Brongniart, 1828, Hist.Veg. 



d. F< ss., p. 199, and Coal Flora of Pa., 



p. 288, Coal Meas. 

 hymenophylloides, Brongniart, 1828, 



Prodr. d. Hist. d. V'eg. Foss., p. 51, 



and Coal Flora ot Pa., p. 764, Coal 



Meas. 

 inaequilateralis, Lesquereux, 1884, Coal 



Flora of Pa., p. 765, Coal Meas. 

 intermedia, Lesquereux, 1858, Geo. Sur. 



Pa., vol. 2. The name was preoccupied 



in 1852 by Ettingshausen. It is now S. 



mediana. 

 irregular is, see Pseudopecopteris irreg- 



ularis. 

 larischii, Stur, 1877, (Calymmotheca lar- 



ischii,) Culm Flora, p. 168, and Coal 



Flora of Pa., p. 288, Coal Meas. 

 latifolia, see Pseudopecopteris latifolia. 

 latior, Dawson, 1863, Can. Nat., vol. 8, 



and Acad. Geol., p. 483, Coal Meas. 

 laxa, Hall, 1843, Geo. Rep. 4th Dist. N. Y., 



Chemung Gr. This name was preoc- 

 cupied by Sternberg. See Archseopteris 



hallana. 

 lescuriana, Fontaine & White, 1880, Perm. 



or Up. Carb. Flora, p. 44, Coal Meas. 



or Permian, 

 lesquereuxi, Newberry, 1858, Geo. Sur. 



Pa., vul. 2, p 862, Coal Meas. 

 linearis, Sternberg, 1820, Vers. Darst. Flor. 



d. Vorw., p. 15, Low. Coal Meiis. 

 lyraliMia, see Pecopteris lyratifolia. 

 macilenia, see Pseudopecopteris maci- 



lenta. 

 marginata, Dawson, 1862, Quar. Jour. 



Geo. Soc., vol. 18, p. 321, Devonian, 

 mediana, Lpsquereux, 1880, Coal Flora of 



Pa., p. 271, Coal Meas. 

 microi-arpa, Leequereux, 1880, Coal Flora 



of Pa., p. 280, Coal Meas. 

 microloba, Goeppert, 1836, Syst. Filic. 



Foss., p. 238, Coal Meas. 

 minutisecta, Fontaine & White, 1880, 



Perm, or Up. Carb. Flora, p. 43, Coal 



Meas. or Permian, 

 mixta, Schimper, 1869, Traitfe de Paleon- 



tologie Veg tale, p. 382, and Coal Flora 



of Pa., p. 276, Coal Meas. 

 munda, Dawson, 1863, Can. Nat. and Geo., 



vol. 8, and Acad. Geol., p. 483, Coal 



Meas. 

 myriophylla, see Hymenophyllites myri- 



ophyllus. 

 newberryi, see Pseudopecopteris new- 



berryi. 



obovata, Lindley & Hutton, 1835, Foss. 



Flora, vol. 2, p. 75, and Coal Flora of 



Pa., p. 769, Coal Meas. 

 obtusiloba, see Pseudopecopteris obtusi- 



loba. 

 pachynervis, Fontaine & White, 1880, 



Perm, or Up. Carb. Flora, p. 46, Coal 



Meas. or Permian, 

 paupercula, Lesquereux, 1866, Geo. Sur. 



111., vol. 2, p. 435, Coal Meas. 

 pilosa, see Callipteris pilosa. 

 plicata, Lesquereux, 1858, Geo. Sur. Pa., 



vol. 2, p. 862, Coal Meas. 

 polyphylla, see Pseudopecopteris poly- 



phylla. 

 pseudomurrayana, Lesquereux, 1880, Coal 



Flora of Pa., p. 271, Coal Meas. 

 pterota, Wood, 1866, Trans. Am. Phil. 



Soc., vol. 13, p. 348, Coal Meas. 

 quercifolia, Gceppert, 1836, Syst. Filic. 



Foss., p. 252, and Coal Flora of Pa., p. 



286, Coal Meas. 

 recurva, Dawson, 1863, Quar. Jour. Geo. 



Soc., vol. 19, p. 464, Devonian, 

 rigida, Brongni? rt, 1828, Hist. Veg. Foss., 



p. 201, Coal Meas. 

 royi, Lesqupreux, 1884, Coal Flora of Pa., 



p. 768, Coal Meas. 

 scaberrima, Lesquereux, 1870, Geo. Sur. 



111., vol. 4, p. 408, Coal Meas. 

 schtytheimi, see Hymenophyllites schlot- 



heimi. 

 solida, Lesquereux, 1884, Coal Flora of 



Pa,, p. 769, Coal Meas. 

 spinosa, Goeppert, 1841, Gatt. Foss. Pflan- 



zen, p. 70, and Coal Flora of Pa., p. 281, 



Coal Meas. 

 splendens, Dawson, 1871, Foss. Plants 



Canada, p. 53, Devonian, 

 splendens, Lesquereux, 1870, (Hymeno- 

 phyllites splendens,) Geo. Sur. 111., vol. 



4, p. 413, Coal Meas. 

 squamosa, Lesquereux, 1858, Geo. Sur. 



Pa., vol. 2, p. 862, Coal Meas. 

 subalata, Weiss, 1869, Foss. Flora d. 



jungst. Steink. form., p. 57, and Coal 



Flora of Pa., p. 272, Coal Meas. 

 tenella, Brongniart, 1828, Hist. Veg. Foss., 



p. 186, and Coal Flora of Pa., p. 836, 



Coal Meas. 

 tenuifolia, see Hymenophyllites tenuifo- 



lius. 



tracyana, Lesquereux, 1884, Coal Flora of 



Pa., p. 766, Coal Meas. 

 trichomanoides, Brongniart, 1828, Hist. d. 



Veg. Foss., p. 182, and Coal Flora of 



Pa., p. 286, Coal Meas. 

 tridactylites, Brongniart, 1828, Hist. d. 



Veg. Foss. p. 181, and Coal Flora of Pa., 



p. 284, Coal Meas. 

 trifoliata, see Pseudopecopteris trifoli- 



ata. 

 SPHENOTHALLUS, Hall, 1847, Pal. N. Y., vol. 



1, p. 261. [Ety. spften, a wedge; thallos, 



a branch or frond.] Stem with diverg- 

 ing wedge-formed leaves, thickened, and 



sometimes subcoriaceous. Type S. an- 



gustifolius. 



