Box 25, Folder 4: Ferns III

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Cyclopteris Fimbriata
Complete

Cyclopteris Fimbriata

Cyclopteris fimbriata, Lesquereux Geol Penn. 2 p 855 pl 4 figs 17, 18

Leaves nearly round, or truncate at the base, where they are often unequally cordate, or symmetrical; margins, especially above, fringed with long thread-like, linear, acute, flexious and nearly equal divisions; nerves flabelliform, dichotomous from the base, nearly straight distant, though verry [very] thin, parallel, ascending to the points of the divisions

Coal Measures Pottsville Pa

Last edit over 1 year ago by ginnymc
Cyclopteris Flabellata
Complete

Cyclopteris Flabellata

Cyclopteris flabellata Brongt. Lesq, Geol Penn 2 p 855

Leafets very entire, fan-like, round and undulate in outline, cuneate below; nerves very thin and close, straight, dichotomous, distinct.

Related to Whittleseya

Coal Measures Fremont New Veni Penna.

Last edit over 1 year ago by ginnymc
Cyclopteris Germani
Complete

Cyclopteris Germani

Cyclopteris Germari, Gopp. Syst. Fol. Foss. p 218 pl 6 fig 1

Leaves enlarged at the base, sessile on the rachis by the whole base, nearly round in outline, divided into two parts, the upper one lobate, with the lobes divided into from three to five lanceolate-linear acute teeth; the lower part entire, with nerves emerging from the base along the rachis; nerves dichotomous, distant thin but well marked; rachis thick narrowly striate.

Coal Measures Pottsville Penn.

Last edit over 1 year ago by ginnymc
Cyclopteris Hirsuta
Complete

Cyclopteris Hirsuta

Cyclopteris hirsuta Lesquereux Geol. Penn. 2 p 856 pl 4 figs 1-16. C. trichomamoides Brongt. in part. C. obliqua, Brongt.

Leaves oval or round in outline, either symmetrically or unequally cordate, sometimes kidney-shaped, enlarged at the base with equal or unequal, either converging or diverging lobes; nerves very thin, radiate from the base, very close and slender near the margin; surface covered with short strait hairs about a line long.

(These are the basal leaves of Neuropteris hirsuta q.v.)

Coal Measures Pottsville Pa.

Last edit over 1 year ago by ginnymc
Cyclopteris Laciniata
Complete

Cyclopteris Laciniata

Cyclopteris laciniata, Lesquereux Geol. Penn. 2 p 855 pl 19 fig 3

Leaves orbicular-quadrate, with the base equal and slightly cordate, irregularly fringed around by long, flexuous, acute divisions, somewhat unequal in length, and united in fascicules; nerves flabelliform dichotomous, straight, very close and distinct. Surface covered with a scaly coating, obscuting the nerves.

Coal Measures Muddy Cr. between Pottsville & Tremont Pa

Last edit over 1 year ago by ginnymc
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