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Pecopteris Cistii

Frond lanceolate, bi-pinnate
pinnae elongated oburse [obtuse?], abruptly
terminated; terminal pinnulae
very short, elliptical or roundish; pinnulae
elliptical or subelongated, united or
distinct at the base, or sometimes
a little contracted; pennula infirma
rachi of pen pennarum inserta, vex alteris
majori; medial nerve very strong;
nervules arcuate, bifurcated, distant
minute.

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