Pages
Sphenopteris Gravenhorstii
Sphenopteris Gravenhorstii Brongt. Veg. Foss. 1 p. 191. t. 55 fig 3.
Frond tripinnate, with a broad and flattened rachis; primary pinnae curved downwards; secondary pinnae lanceolate, nearly equal, oblique on the slightly emarginate rachis; pinnules small oblique, ovate, three to five loved; loves short two or three toothed; nerves nearly pinnately forked.
Coal Measures Westwood Penna Ohio.
Sphenopteris Intermedia
Sphenopteris Intermedia, Lesquereux Geol. Penn. 2p 862 pl 8 fig 8, 9.
Frond tripinnatifid, rachis smooth & slender, slightly flexuous; secondary pinnae linear-lanceolate, deeply pinnatifid; pinnules oval, decurrent, united at the base, serratelate at the summit; nerves obsolete pinnately forked; nervules simple. Pinnules united about half their length.
Coal Measures Westwood & Fremont Penn
p. 1
[Sketch-Sphenopteris latifolia, of L&H.] Not of Bronger!!
p. 2
Sphenopteris latifolia, Ad Brong. Hist. Veg. Foss. vol. 1 p. 205 pl 57 figs 1 to 5. Frost: of Lindley & Hutton) Aspidites latifolius, Gopp.
Front tripinnate; pinnules short petiolate, ovate, pinnately divided; divisions oblique, oval, obtuse, two or three parted; nerves diverging from the base, many times forked, well marked and thick.
Coal measures Carbondale, Wilkesbarre, & Pottsville Pa Tuscaloosa Alab.
p. 3
[Carboniferous]
[Tuscaloosa Alab.; Carbondale, Pa.; Willkesbarre Pa]