TRI.] 



PLANTS. 



147 



caudagalli,) Geo. Rep. 3d Dist. N. Y., 

 p. 128, Devonian. 



colletti, Lesquereux, 1870, (Chondrites 

 colletti,) Geo. Sur. 111., vol. 4, p. 379, 

 Coal Meas. 



crassus, Hall, 1863, (Spirophyton eras- 

 sum,) 16 Rep. N. Y. St. Mus. Nat. Hist., 

 p. 83, Waverly Gr. 



marginatus, Lesquereux, 1866, (Cauler- 

 pitesmarginatus,) Trans. Am. Phil. Soc., 

 vol. 13, p. 314, Subcarb. 



retortus, Vanuxem, 1842, (Retort fucoid,) 

 Geo. Rep. 3d Dist., N. Y., p. 176, 

 Portage Gr. 



typus, Hall, 1863, (Spirophyton typus,) 

 16 Rep. N. Y. St. Mus. Nat. Hist,, p. 80, 

 Ham. or Chemung Gr. 



velum, Vanuxem, 1842, (Fucoides velum,) 

 Geo. Rep. 3d Dist. N. Y., p. 176, Ham. Gr. 

 Trichomanites, Goeppert, 1836, Syst. Filic. 

 Fobs. [Ety. from the plant Tricho- 

 manes.~\ This genus is only known in 

 America by fragments of slender pin- 

 nules attached to long petioles, which 

 are of doubtful generic affinity. 



filicula, Dawson, 1863, Quar. Jour. Geo. 

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

 Trichophycus, Miller & Dyer, 1878, Jour. 

 Cin. Soc. Nat. Hist., vol. 1, p. 24. [Ety. 

 trichos, hair ; phukos, sea-weed.] Simple 

 branching stems having markings as if 

 by the folding down of filaments. Type 

 T. lanosum. 



lanosum, Miller & Dyer, 



1878, Jour. Cin. Soc. Nat. 



Hist., vol. 1, p. 24, Hud. 



Riv. Gr. 



sulcatum, Miller & Dyer, 



1878, Cont. to Pal., No. 

 2, p. 4, Hud. Riv. Gr. 



venosum, S. A. Miller, 



1879, Jour. Cin. Soc. Nat. 

 Hi«t., vol. 2, p. 112, Hud. 

 Riv. Gr. 



Trigonocarpum, Brongniart, 

 1828, Prodr. d. Hist. Veg. 



Foss., p. 137. [Ety. trigon, triangle ; 



karpos, fruit.] Fruits ovoid, compressed 



at the base point of insertion, three or 



six costate, the ribs more distinct and 



prominent toward the base, sometimes 



disappearing above ; apex pitted by a 



small, round or triquetre mammillate 



cavity. Type T. parkinsoni. 

 adamsi, Lesquereux, 1884, Coal Flora of 



Pa., p. 820, Coal Meas. 

 ampulliforme, Lesquereux, 1884, Coal 



Flora of Pa., p. 823, Coal Meas. 

 avellanum, Dawson, 1863, Can. Nat. and 



Geo., vol. 8, and Acad. Geol., p. 478, 



Coal Meas. 

 bertholletiforme, Foster, 1853, Ann. of 



of Sci., vol. 1, and Ohio Pal., vol. 1, p. 



369, Coal Meas. 

 carbonarium, King, 1854, Proc. Acad. 



Nat. Sci., vol. 7,. p. 66, Coal Meas. 

 dawsi, Lindley & Hutton, 1837, Foss. 



Flora, vol. 3, p. 321, and Coal Flora of 



Pa., p. 586, Coal Meas. 



giffordi, Lesquereux, 1880, Coal Flora of 



Pa., p. 592, Coal Meas. 

 grande, Lesquereux, 1884, Coal Flora of 



Pa., p. 821, Coal Meas. 

 hildrethi, Lesquereux, 1858, Geo. Sur. 



Pa., vol. 2, p. 877, Coal Meas. 

 hildrethi, Dawson, syn. (?) for Trigono- 



carpon triloculare, 

 hookeri, Dawson, 1861, Quar. Jour. Geol. 



Soc, vol. 17, p. 525, Coal Meas. 

 intermedium, Dawson, 1863, Can. Nat. vol. 



8, and Acad. Geol., p. 478, Coal Meas. 

 juglans, Lesquereux, 1866, Geo. Sur. 111., 



vol. 2, p. 460, Low. Coal Meas. 

 kansaseanum, Lesquereux, 1884, Coal 



Flora of Pa., p. 822, Coal Meas. 

 magnum, Newberry, 1873, Ohio Pal., vol. 



1, p. 369, Coal Meas. 

 mentzelianum, Goeppert. & Berger, 1848, 



De Fruct. et. Sem., p. 19, and Coal Flora 



of Pa., p. 590, Coal Meas. 

 minus, Dawson, 1863, Can. Nat. and Geol., 



vol. 8, and Acad. Geol., p. 478, Coal 



Meas. 

 multicarinatum, Newberry, 1873, Ohio 



Pal., vol. 1, p. 478, Carb. Conglom- 

 erate, 

 multistriatum, Lesquereux, 1884, Coal 



Flora of Pa., p. 823, Coal Meas. 

 nceggerathi, Sternberg, 1820, (Palmacites 



noeggerathi,) Flor. d. Vorw., p. 55, and 



Coal Flora of Pa., p. 584, Coal Meas. 

 oblongum, Lindley & Hutton, 1837, Foss. 



Flora, vol. 3, p. 193, Coal Meas. 

 oliviforme, Lindley & Hut- 

 ton, 1837, Foss. Flora, vol. 



3, p. 222, and Coal Flora of 



Pa., p. 590, Coal Meas. 

 ornatum, Newberry, 1873, 



Ohio Pal., vol. 1, p. 368, 



Carb. Conglomerate, 

 parkinsoni, Brongniart, 1828, 



Prodr. Hist. Veg. Foss., p. 



137, and Coal Flora of Pa., 



p. 589, Coal Meas. 

 perantiquum, Dawson, 1871, 



Foss. Plants Canada, p. 62, 



Devonian, 

 perpusillum, Lesquereux, Trlg pon Car ~ 



1884, Coal Flora of Pa., p. oliviforme. 



820, Coal Meas. 

 racemosum, Dawson, 1862, Quar. Jour. 



Geo. Soc, vol. 18, p. 324, Devonian, 

 rostellatum, Lesquereux, 1866, Geo. Sur. 



111., vol. 2, p. 460, Up. Coal Meas. 

 rotundum, Dawson, 1863, Can. Nat., vol. 



8, and Acad. Geol., p. 478, Coal Meas. 

 saffordi, Lesquereux, 1880, Coal Flora of 



Pa., p. 587, Coal Meas. 

 schultzanum, Goeppert & Berger, 1848, De 



Fruct., etc., p. 19, and Coal Flora of Pa., 



p. 819, Coal Meas. 

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



and Acad. Geol., p. 477, Coal Meas. 

 tricuspidatum, Newberry, 1873, Ohio Pal., 



vol. 1, p. 368, Coal Meas. 

 triloculare, Hildreth, 1837, (Carpolithes 



trilocularis,) Am. Jour. Sci., vol. 31, p. 



29, Conglomerate and Low/„Coal Meas. 



Fig. 83. 



