SECOND GEOLOGICAL SURVEY OF PENNSYLVANIA - REPORT OF PROGRESS P. ATLAS TO THE COAL FLORA OF PENNSYLVANIA AND OF THE CARBONIFEROUS FORMATION THROUGHOUT THE UNITED STATES BY LEO LESQUEREUX; ©1879

87 Plates and Their Captions: Scans and Webpage ©George Langford III, 2010

Plate XXXIII (links in the Figure numbers point to Lesquereux's descriptions in the text)

Figure Scientific Name Reference 1 Alethopteris Gibsoni, Sp. nov. 2 - 5 Callipteridium inaequale, Sp. nov. 6 - 7 Callipteridium Owenii, Lx. F.6, Geol. Rept. of Arkansas, ii, Pl. ii, f.1. 8 - 8b Pseudopecopteris Scheaferi, Lx. 9, 9a Callipteridium inflatum, Lx.