108 



PLANTS. 



[AST.— BKC. 



phyllon, leaf ; lithos, stone.] Stems artic- 

 ulate ; branches opposite ; central axis 

 hollow or solid ; leaves verticillate, 

 free to the base, linear, acuminate, 

 simple nerved ; fructifications in elong- 

 ated ears, bearing round sporanges in 

 the axils of the leaves. Type A. 

 equisetiformis. 



acicularis, Dawson. 1862, Quar. Jour. 

 Geol. Soc, vol. 18, p. 310, Devonian. 



anthracinus, Heer, 1877, Fl. Fobs. Helv., 

 vol. 4, p. 50, and Coal Flora of Pa., p. 

 36, Coal Meas. 



apertus, see Macrostachya aperta. 



brardi, Brongniart, 1828, Prodr. Hist, 

 Veg. Fobs., p. 159, Coal Meas. 



crassicaulis, Lesquereux, 1858, Geo. Sur. 

 Pa., vol. 2, p. 851, Coal Meas. 



curtus, see Bechera curta. 



equisetiformis, Schlotheim, 1804, (Casuar- 

 inites equisetiformis,) Beitrag Zur. 

 Flora der Vorwelt, tab. 1, fig. 1, and 

 Coal Flora of Pa., p. 35, Coal Meas. 



erectifolius, Andrews, 1875, Ohio Pal., 

 vol. 2, p. 425, Coal Meas. 



fasciculatus, Lesquereux. 1880, Coal Flora 

 of Pa., p. 41, Coal Meas. 



Fig. 14.— Asterphyllitea foliofius. 



foliosus, Lindley & Hutton, 1833, Fobs. 



Flora, vol. 1, p. 77, and Coal Flora of 



Pa., p. 38, Coal Meas. 

 gracilis, Lesquereux, 1860, Geo. Sur. Ark., 



vol. 2, p. 310, Coal Meas. 

 grandis, see Bechera grandis. 

 lanceolalw, see Macrostachya lanceolata. 

 latifolius, Dawson, 1862, Quar. Jour. Geo. 



Soc, vol. 18, p. 311, Devonian. The same 



form was called by Schimper Annu- 



laria dawsoni. 

 laxus, Dawson, 1868, Acad. Geol., p. 539, 



Devonian, 

 lentus, Dawson, 1871, Foss. Plants Can., 



p. 29, Devonian, 

 longifolius, Sternberg, 1823, (Bruckman- 



nia longifolia,) Vers. Darst. Flora der 



Vorwelt fasc. 4, p. 58, Coal Meas. 

 minutus, Andrews, 1875, Ohio Pal., vol. 



2, p. 424, Coal Meas. 

 ovalis, see Calamostachys oval is. 

 parvulus, Dawson, 1861, Can. Nat. and 



Geo., vol. 6, p. 168, and Acad. Geol. p. 



539, Chemung Gr. 

 radiatus, see Annularia radiata. 



rigidus, Sternberg, 1824, (Bruckmannia rig- 

 ida,) Vers. Darst. Flor. derVorwdt, \>. 2\), 

 and Coal Flora of Pa., p. 37, Coal Meas. 



Bcutigerus, Dawson, 1862, Quar. Jour. 

 Geo. Soc, vol. 18, 

 p. 311, Devonian. 



stachioides, Wood , 

 1860, (Lepidostro- 

 bus stachioides,) 

 Proc Acad. Nat. 

 Sci. Phil., vol. 12, 

 p. 240, Coal Meas. 



sublaevis, Lesque- 

 reux, 1858, Geo. 

 Sur. Pa., v.-l. •_', p. 

 851, Coal Meas. 



trinervis, Dawson, 

 L868, Can. Nat., 

 vol. 8, and Acad. 

 Geol. p. 479, Coal 

 Meas. 



tuberculahis, soc An- 

 nularia tubercu- 

 lata. 



ASTEROPTERIS, D a W - 



son, 1881, Quar. 



Jour. Geo. Sue., 



vol. 37, p. 299. 

 [Kty. cuter, star ; 

 pteris, fern.] Stems 

 of ferns having the 

 axial portion com- 

 posed of vertical 

 radiating plates of „ 

 scalarifonn tissue FlG UJ l5Sg?. poUt hon 

 imbedded in pa- 

 renchyma, and having the outer cylin- 

 der composed of elongated colli trav- 

 ersed by leaf-bundles similar t<> those "f 

 Zygopteris. Type A. novoboracensis. 

 novoboracensis, Dawson, 1881, Quar, Jour. 

 Geo. Soc, vol. 37, p. 299, Portage Gr. 

 Astropolithon, Dawson, 1888, Geo. Hist. 

 Plants, p. 31. A peculiar Impression, 

 supposed by Prof. Dawson to be fu- 

 oii.lal. Judging from the illustration, I 

 would refer it to the Graptolida. Type 

 A. Iiindii. 

 hindii, Dawson, 1888, 

 Geo. Hist, plants, 

 ]i. 31, Dp. Taconic 

 Baiera, Ft. Braun, 1840, 

 Die Petrefakten d. 

 Naturalien Samml. 

 [Ety. proper name.] 

 Leaves petiolate, 

 flabelliform, dicho- 

 tomous, many 

 parted ; nerves in 

 each lacinia, sev- 

 eral, dichotoroous, 

 and proceeding 

 parallel with each 

 other; leaf sub- 

 stance leathery. 

 Type B. t;eniata. 

 virginiana, Fontaine & White, 1880, 

 Perm or Up. Carb. Flora, p. 103, Coal 

 Meas. or Permian. 



Fig. 16.— Baiera 

 virginiana. 



