p.1

Sigillaria rugosa, Brongniart

Vg Foss 1 p 476 [t?] 144 fig 2

Lesq. Geol Penn 2 p 873

Ribs plane, equal; furrows
straight narrow, distinct; ribs
marked with very slender points in
the middle between the scars; scars
discoid, oval, distant twice their
length; vascular scar 3, placed above;
medial one like a point, the lateral ones
oblong, parallel.

Coal measures

Wilkesbarre Penn