144 



PLANTS. 



[SPI. STE. 



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

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



FIG. 75. Sphenothallus nngustifolius. 



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



262, Hud. Riv. Gr. 



SPIRANGIUM, Schimper, 1S74, Traite de Pai- 

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

 speira, that which is twisted ; from the 

 coiled marking around the pod.] Ob- 

 long or spindle-shaped bpdif s formed of 

 narrow linear leaves, interwoven or 

 twisted in spiral, with the ends united 

 into a pedicel, which joins them hori- 

 zontally or in umbels. Type S. car- 

 bonarium. , 



appendiculatum, Lesquereux, 1870, (Palse- 

 oxyris appendiculata,) Geo. Sur. 111., 

 vol. 4, p. 465, Coal Meas. 



corrugatum, L-isquereux, 1870,(Paheoxyris 

 corrugata,) Geo. Sur. 111., vol. 4, p. 466, 

 Coal Meas. 



intermedium, Lesquereux, 1880. Coal 

 Flora of Pa., p. 521, Coal Meas. 



multiplicatum, Lesquereux, 1880. Coal 

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



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



vol. 4, p. 464, Coal Meas. 

 Spirophyton, Hall, 1863, 16th Rep. N. Y. St. 

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

 coil; phyton, a plant.] Syn. fot Tao- 

 nurus. 



cauda-galli, see Taonurus caudagalli. 



crassum, see Taonurus 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 SPOROCYSTIS, Lesquereux, 1880, Coal Flora 

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

 kustis, bladder.] Agglom- @ 



erations of macro- 

 spheres grouped together i 

 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. 



Staphylopteris, 1838, Presl, in Sternb. Vers. 

 Darst. Flora der Vorwelt. [Ety. staphyle, 

 bunch of grapes ; pteris, fern.] Not an 

 American palaeozoic genus. 



asteroides, see Sorocladus asteroides. 



sagiltata, see Sorooladus sagittatus. 



stellata, see Sorocladus stellatus. 



wnrtheni, see Sorocladus wortheni. 

 ; STEMMATOPTEIUS, Corda, 1845, Beitriige zur 

 Flora der Vorwelt, p. 76. [Ety. stem- 

 matos, a wreath ; pteris, fern.] Trunks 

 erect, cylindrical ; scars large, disciform, 

 oval, round, or ovate, not contiguous, 

 disposed in quincuncial or spiral order ; 

 outside borders or rings flat; internal 

 disk formed by impressions of fascicles 

 of vascular tissues, shaped like a 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 S. 

 peltigera. 



anceps, Lesquereux, 1884, Coal Flora of 

 Pa., p. 838, Coal Meas. 



angustata, Lesquereux, 1880, Coal Flora 

 of Pa., p. 339, Coal Meas. 



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, (Caulopteris 



gigantea,) Geo. of Pa., vol. 2, p. 869, 

 oal 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, 1884, 

 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. 

 schimperi, Lesquereux, 1880, Coal Flora 

 of Pa., p. 338, Coal Meas. 



FIG. 77. Stemroatopteris 

 miraica, leaf scar. 



