Box 25, Folder 4: Ferns III

Sphenopteris Newberryi, Lesquereux Geol. Penn 2 p 862 pl 9 fig 4

Frond dichotomous, forking in a very obtuse angle, bipinnate; secondary pinnae long, lanceolate, linear, acute, pinnately lobed; inferior pinnules sessile by their whole base, but distinct, irregularly undulate, loved; superior ones confluent, oval-lanceolate, entire or slightly undulate, the terminal one small, and pointed; nerves obsolte; rachis broad, flattened, slightly marginated.

Coal measures Pennsylvania

Sphenopteris? paucifolia, HallFremonts' Report p. 304 pl. 2 fig. 1.

Frond tripinnate; rachis slender, with long, lateral straight branches which are slightly oblique; pinnae slender, nearly at right angles, alternate and opposite; pinnules minute, oval-ovate, somewhat distant, opposite or alternate, expanded [to] or attenuate at base, sometimes deeply lobed or digitate; midrib not apparent-This was evidently a large & beautiful fern with slender sparce foliage, giving it a peculiarly delicate appearance.

Carboniferous?

Lat 41 1/2 deg. Long 111-in light gray indurated clay.

Sphenopteris Polyphylla, Lindley & Hutton Foss. pl. 2p. 185

Frond 2 or 3 pinnate; pinnae alternate, open; pinnules alternate, petiolate, oval, inferior ones pinnatifid; superior ones trilobed, divisions round, ovate entire, the terminal ones twice as large; rachis flexuous; nerves pinnate, forking near the margin.

Coal measures Pottsville Pa.

Sphenopteris Squamosa Lesquereux Geol. Penn. 2 p 862 pl 10 fig 3

Frond bipinnatifid; pinnae linear, short, obtuse; pinnules nearly square, or half round, very entire sessile; the superior ones confluent or joined together; terminal leaflet large, lobate, angular, obtuse, nerves entirely obsolete, the surface appearing covered with small shining scales.

Coal measures Pottsville Pa