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

Figure Scientific Name Reference 1 - 4 Archaeopteris minor, Lx. 5 Archaeopteris Hybernica, Forb. 6 - 6c Triphyllopteris Lescuriana, Meek. Phil. Soc. of Washington, 1875, Pl. ii. 7 Rhacophyllum truncatum, Sp. nov.