p. 4

Pecoperis Cistii, Brongniart --
Veg. Foss 1. p 330 t 106 figs 1,2.
Harlan, Fr. Geol. Soc. Pa., Vol. 1. p. 256
Lesq. Geol Penn 2 p 866
P. pteroides, Brong

Foliis lanceolatis bipinnatis;
pinnis elongatis, obturis, abrupte
desinentibus, pinnula terminali
brevissima elliptica vel subrotunda;
pinnulis ellipticis vel suboblongis,
basi connatis vel usque ad basin
discretis, etiamve basi paululum
contractis; pinnula infirma rachi
pennarum inserta, vix alteris ma-
jori nervo medie notato; nervulis
arcuatis bis furcatis, distentibus,
tenuissimis.

Pinna occasionally united at base,
length not quite double the breadth.