124 



PLANTS. 



\\.\:V. I.1.S 



at the outer end, and covering the apex 

 of the sporanges by a rhomboidal small 

 shield ; spores, triquetre on one side, 

 half globular on the other, like those of 

 the Lycopods, homomorphous or dimor- 

 phous. Type L. ornatus. 

 acuminatus, Lesquereux, 1868, (Lepido- 

 phyllum acuminatum,) Geo. Pa., vol.2, 

 p. 875, Coal Meas. 

 aldrichi, Lesquereux, 1880, Coal Flora of 



Pa., p. 441, Coal Meas. 

 butleri, Lesquereux, 1884, Coal Flora of 



Pa., p. 840, Coal Meas. 

 conniven8, Lesquereux, 1870, Geo. Sur. 



III., vol. 4, p. 442, Coal Meas. 

 foliaceus, Lesquereux, 1870, (Lepidophyl- 

 lum foliaceum,) Geo. Sur. 111., vol. 4, p. 

 444, Coal Meas. 

 globosus, Dawson, 1861, Can. Nat. and 

 Geo., vol. 6, p. 174, Devonian. 



goldenbergi, Schimper, 1872, 

 Traite de Paleontologie 

 Vegetale, vol. 2, p. 61, Coal 

 Meas. 

 hastatus, Leequereux, 1858, 

 (Lepidophyllum hastatum,) 

 Geo. Sur. Pa., vol. 2, p. 876, 

 Coal Meas. 

 incertus, Lesquereux, 1880, 

 Coal Flora of Pa., p. 442, 

 Coal Meas. 

 lacoei, Lesquereux, 1880, Coal 

 Flora of Pa., p. 439, Coal 

 Meas. 



lanceolatus, Brongniart, 1828, (Lepi- 

 dophyllum lanceolatum,) Prodr. d. 

 Hist. d. Veg. Foss., p. 87, and Coal 

 Flora of Pa., p. 436, Coal Meas. 

 lancifolius, Lesquereux, 1870, Geo. Sur. 



111., vol. 4, p. 442, Coal Meas. 

 latus, Lesquereux, 1884, Coal Flora of Pa., 



p. 841, Coal Meas. 

 longifolius, Dawson, 1863, Can. Nat. and 

 Geo., vol. 8, and Acad. Geol. p. 489, 

 Coal Meas. 

 mansfieldi, Lesquereux, 1880, Coal Flora 



of Pa., p. 444, Coal Meas. 

 mirabilis, Newberry, 1873, (Polysporia 

 niirahilis,) Ohio Pal., vol. 1, p. 362, 

 Low. Coal Meas. 

 oblon^ifolius, Lesqnereux, 1870, Geo. Sur. 

 111., vol. 4, p. 441, Coal Meas. 



Fig. 4a 

 Lepidostro- 

 buHnuMiiiiiv 



Fig. 47.— Lepidostrobus ornatus. Cone % size. 



ornatus, Parkinson, 1811, Organic Re- 

 mains, vol. 1, pi. 9, fig. 1, and Coal 

 Flora of Pa., p. 440, Coal Meas. 



ovatifolius, Lesquereux, 1870, Geo. Sur. 

 111., vol. 4, p. 441, Coal Meas. 



pinaster, Lindley & Hutton, 1837, Foss. 

 Flora, vol. 3, p. 129, Coal Meas. 



prselongus, Lesquereux, 1880, Coal Flora 

 of Pa., p. 433, Coal Meas. 



princeps, Lesquereux, 1866, Geo. Sur. 

 111., vol. 2. p. 455, Coal Meas. 



quadratus, Lesquereux, 1880, Coal Flora 

 of Pa., p. 444, Coal Meas. 



richardsoni, Dawson, 1861, Can. Nat. and 

 Geo., vol. 6, p. 174, Devonian. 



salisburyi, Lesquereux, 1880, Coal Flora 

 of Pa., p. 443, Coal Meas. 



spectabilis, Lesquereux, 1880, Coal Flora 

 of Pa., p. 435, Coal Meas. 



squamosus, Dawson, 186:5, Can. Nat. and 

 Geo., vol. 8, and Acad. Geol., p. 489, 

 Coal Meas. 



stachioides, see Asterophyllites stachioides. 



trigonolepis, Bunbury, 1847, Quar. Jour. 

 Geo. Soc, vol. 3, p. 432, Coal Meas. 



truncatu8, Lesquereux, 1870, Geo. Sur. 

 111., vol. 4, p. 442. Coal Meas. 



variabilis, Lindley 4 Hutton, 1833, Foss. 

 Flora, vol. 1, p. 31, and Coal Flora of 

 Pa., p. 434, Coal Meas. 

 l.Ki'ii)o\Yi.oN, Lesquereux, 1878, Proc. Am. 

 Phil. Soc, p. 334, and Coal Flora of 

 Pa., p. 557. [Ety. lepis, scale ; xylon, 

 wood.] Stems large, tapering t< » a point ; 

 bark thin, covered with leafy scales; 

 leaves variable, sublinear, narrowed or 

 enlarged to the point of attachment, 

 forking upward in two or more laci- 

 ni;e ; nervation distinct with the glass; 

 primary nerves parallel, buried in the 

 epidermis, inflated or half round ; inter- 

 mediate veinlets thin, visible on the 

 decorticated face. Type L. anomalum. 



anomalum, Lesquereux, 1880, Coal Flora 

 of Pa., p. 557, Coal mei 

 I.i norm o i m, DawROU, 1862, Quar. Jour. 

 Geo. Soc, vol. 18, p. :'>lii. [Ety. fepfot, 

 slender ; phlois, the bark of a tree.] 

 Stem covered with continuous rhombic 

 a re. iles, each with a single small sear a 

 little above its center, and above this a 

 very slight furrow ; decorticated stems, 

 with spiral punctiform scars in slight 

 depressions; bark thin, pith cylinder 

 very large, with transverse markings 

 of the character of Sternbergia. Type 

 L. rhombicum. 



rhombicum, Dawson, 1862, Quar. Jour. 



Geo. Soc, vol. 18, p. 316, Devonian. 



l.i -< i -roptkris, Schimper, 1869, Palseontolo- 



gie Vegetale, vol. 1, p. 465. [Ety. proper 



name; pleris, a fern.] Fronds large, bi 



Fig. 48— Lescuiopteris adlantites. 



tripinnate ; rachis broad; foliate; pin- 

 na? pinnatifid, close, oblique ; divisions 

 ovate, acute, inclined outside, connate 



