108 



PLANTS. 



[AST. EEC. 



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. Foss. 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. Asterphyllites foliosus. 



foliosus, Lindley & Hutton, 1833, Foss. 



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. 

 lanceolatus, 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. 

 waits, see Calamostachys ovalis. 

 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. der Vorwelt, p. 29, 



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

 scutigerus, 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. 249, Coal Meas. 

 sublsevis, Lesque- 



reux, 1858, Geo. 



Sur. Pa., vol. 2, p. 



851, Coal Meas. 

 trinervis, Dawson, 



1863, Can. Nat., 



vol. 8, and Acad. 



Geol. p. 479, Coal 



Meas. 

 tuberculatus, see An- 



nularia tubercu- 



lata. 



ASTEROPTERIS, D a W - 



son, 1881, Quar. 

 Jour. Geo. Soc., 

 vol. 37, p. 299. 

 [Ety. after, star ; 

 pteris, fern.] Stems 

 of ferns having the 

 axial portion com- 

 posed of vertical 



imbedded in pa- 

 renchyma, and having the outer cylin- 

 der composed of elongated cells trav- 

 ersed by leaf-bundles similar to those of 

 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- 

 coidal. Judging from the illustration, I 

 would refer it to the Graptolida. Type 



A. hindii. 



hindii, Dawson, 1888, 

 Geo. Hist, plants, 

 p. 31, Up. Taconic. 

 BAIEBA, Fr. Braun, 1840, 

 Die Petrefakten d. 

 Naturalien Samml. 

 [Ety. proper name.] 

 Leaves petiolate, 

 flabelliform, dicho- 

 to mous, many 

 parted ; nerves in 

 each lacinia, sev- 

 eral, dichotorapus, 

 and proceeding 

 parallel with each 

 FiG.ie.-Baiera other; leaf sub- 



virgiuiaiia. stance leathery. 



Type B. tamiata. 



virginiana, Fontaine & White, 1880, 

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

 Meas. or Permian. 



