Box 25, Folder 4: Ferns III

5 -- Felices 1 Neuropterideoe

Genus Cyclopteris Ad. [Brongu.?]

Frond pinnate; leafets [leaflets] sessile, flabelliform, simple, entire, somewhat orbicular, often also labate, with a cordate often unequal base veins numerous, radiating from the base, flabellate dichotomous, equal nearly parallel; mid-nib wanting.

[Sketch- 1/2 Cyclopteris dilatata.]

Cyclopteris dilitata, Lindley & [Hulton?] Vol. [unclear] [vol 22 p.29 pl. 9 fig. B]

Leaf large, texture thin & delicate; varies from nearly circular to oblong, with the principal diameter parallel with the base; surface undulate; base closed by two deep & equal lobes which overlap each other; the veins variate and dichotomize from their common point, without a midrib.

13. 8.0

Carboniferous

Pomeroy Ohio

Cyclopteris elegans, Lesquereux Geol. Penn. 2 p 856 pl 5 fig 4

Leaves nearly orbicular, the lobes of the base converging and embracing the stem, and the point of attachment being nearly central; entire or slightly undulate in outline; nerve very distinct, deeply marked, radiate and dichotomous from the base where they are thickened, arched. Leaves thin, nerves sharp.

Coal Measures West of Shamokin