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

Figure Scientific Name Reference 1, 1a Pecopteris (Gon.) venulosa, Sp. nov. 2 - 3a Pecopteris (Gon.) arguta, Bt. 4, 4a Pecopteris Cistii, Bt. Hist. d. Veg. foss., Pl. cvi, f.2, in parte. 5, 5a Pecopteris platycrachis, Bt. Ibid., Pl. clii, f.5. 6 - 7b Pecopteris arborescens, Schloth. 8, 8a Pecopteris oreopteridia, Bt. Ibid., Pl. cv, f.2 in parte. 9, 9a Pecopteris Miltoni, Bt. 10, 10a Pecopteris Clarkii, Sp. nov.