144 



PLANTS. 



SIM 



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

 1, p. 261, Hud. Riv. Gr. 



Fig. 75."8phenottaallus nngustifolias. 



latifolius, Hall, 1847, Pal. N. Y . vol. 1, p. 

 262, Hud. Riv. Gr. 

 Spirangium, Schimper, 1K74, Traito de I';il< - 

 ontologie Vegetale, vol. 2, p. 514. [Ety. 

 8/mra, that which is twisted ; from, the 

 coiled marking around the pod.] Ob- 

 long or spindle-shaped bodies formed of 

 narrow linear leaves, interwoven or 

 twisted in spiral, with the ends united 

 into a peditvl, which joins them hori- 

 zontally or in umbels. Type S. car- 

 bonarium. 



appendiculatum, Lesquereux, 1870, (Pala> 

 oxyris appeudicnlata,) Geo. Snr. 111., 

 vol. 4. p. 465, Coal Meas. 



cormgatum, Lesquereux, 1870,(Palu'Oxyris 

 corrugata,) Geo. Sur. III., vol. 4, p. 466, 

 Coal Meas. 



intermedium, Lesauereux, 1880, Coal 

 Flora of Pa., p. 521, Coal M« 



multiplicatum, Lesquereux, 1880, Coal 

 Flora of Pa., p. 520, Coal Meas. 



prendeli, Lesquereux, 1870, Geo. Sur. 111., 

 vol. 4, p. 464, Coal M 

 Spirophyton, Hall, 1H63, Kith Rep. N. Y. St. 

 Mus. Nat. Hist. p. 78. [Ety. speira, a 

 coil; phyUm, a plant.] Syn. for Tao- 

 nuru8. 



cauda-galli, see Taonurus caudagalli. 



crassum, see Taonurns crassus. 



typus, see Taonurus typus. 



velum, see Taonurus velum. 

 Sporangitks, Dawson, 1863, Can. Nat. and 

 Geol., vol. 8, and Proc. Geo. Soc. Lond., 

 vol. 15, p. 164. [Sig. seed-vessel.] 

 Spores and spore-cases of Lepidoden- 

 dron, Calamites, and similar plants, 

 which can not be otherwise referred. 

 Type S. papillatus. 



acuminatus, Dawson, 1861, (Annularia 

 acuminata,) Can. Nat., vol. 6, and Acad. 

 Geol., p. 540, Portage Gr. 



bilobatus, Dawson, 1883, Proc. Am. Ass. 

 Ad. Sci., vol. 32, p. 260, Marcellus Shale. 



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

 and Acad. Geol., p. 491, Coal Meas. 



huronensis, Dawson, 1871, Am. Jour. Sci. 

 and Arts, p. 257, Ham. Gr. 



papillatus, Dawson, 1863, Can. Nat, vol. 

 8, and Acad. Geol., p. 491, Coal Meas. 



& 



I'h. 7t. 

 S|„,r.illHltrv 



paplllMos. 



Sporocy8tis, Lesquereux, 1880, Coal Flora 

 of Pa., p. 458. [Ety. sporot, seed; 

 knstis, bladder.] Agglom- 

 erations of macro- 

 sphores grouped togethei 

 or cohering or agglutinate 

 by the borders, more gen- 

 erally without cases, and 

 therefore of uncertain 

 reference. Type S. planus. 



planus, Lesquereux, 1880, Coal Flora of 

 Pa., p. 458, Coal # Meas. 



Stitphylopterix, 1838,'Presl, in Sternh. Vers. 

 Darst. Flora der Vorwelt. [Etv. xtaphyU, 

 bunch of grapes; pteris, fern.] Not an 

 American palaeozoic genus. 



asteroides, see Sorocladns asteroid** 



sagittata, see Sorocladns sagittatus. 



stellata, see Sorocladns stellatus. 



wurtheni, see Sorocladus worthcni. 

 Stemmatoitkkis, Corda, 1845, Beitrige zur 

 Flora der Vorwelt, p. 7<i. [Ety. stem- 

 matos, a wreath; pteri$, fern.] Trunks, 

 erect, cylindrical ; scars large, disciform, 

 oval, round, or ovate, nol contiguous, 

 disposed in quincancial or spiral order; 

 outside borders or rings Mat : interns] 

 disk formed by impressions of fsacielea 

 of vascular tissues, Bhaped like I horse- 

 shoe, the horns curving inward in the 

 upper part of the scars, either short and 

 hooked, or descending below the middle 

 of the scars, and there united. Type B. 

 peltigera. 



anceps, Lssquereax, 1884, Coal Flora of 

 Pa., p. 838, Coal M 



angustata, I>esquereu\, 1880, Coal Flora 

 of Pa., p. :;::!». Coal Me. 



cyclostigma, Lesquereux, 1880, Coal Flora 

 of Pa , p. 341, Coal Meas. 



emarginata, lesquereux, 1880, Coal Flora 

 of Pa., p. 337, Coal Meas. 



gigantea, Lesquereux, 1858, (Csulopterk 

 gigantea,) Geo. of Pa., vol. 2, p. 889, 

 Coal Meas. 



hirsuta, lesquereux, 1880, Coal Flora of 

 Pa., p. 337, Coal Meas. 



insignis, Lesquereux, 1870, (Caulopteris 

 insignis,) Geo. Sur. 111., vol. 4, p. 459, 

 Coal Meas. 

 microstigma, Les- 

 quereux, 1S84, 

 Coal Flora of 

 Pa., p. 838, Coal 

 Meas. 

 mimica, Lesque- 

 reux, 1880, Coal 

 Flora of Pa., p. 



341, Coal Meas. 

 polita, Lesque- 

 reux, 1880, Coal 

 Flora of Pa., p. 



342, Coal Meas. 

 punctata, Les- 

 quereux, 1858, 



(Caulopteris punctata,) Geo. Sur. Pa., 

 vol. 2, p. 869, Coal Meas. 

 schimpen, Lesquereux, 1880, Coal Flora 

 of Pa., p. 338, Coal Meas. 



Fig. 77.— Stemmatopterls 

 mimica, leaf scar. 



