Box 25, Folder 4: Ferns III

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Sphenopteris Gravenhorstii
Complete

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.

Last edit over 1 year ago by EricRoscoe
Sphenopteris Intermedia
Complete

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

Last edit over 1 year ago by EricRoscoe
p. 1
Complete

p. 1

[Sketch-Sphenopteris latifolia, of L&H.] Not of Bronger!!

Last edit almost 3 years ago by EricRoscoe
p. 2
Complete

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.

Last edit over 1 year ago by EricRoscoe
p. 3
Complete

p. 3

[Carboniferous]

[Tuscaloosa Alab.; Carbondale, Pa.; Willkesbarre Pa]

Last edit over 1 year ago by EricRoscoe
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