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

Figure Scientific Name Reference 1 - 3 Callipteridium Aldrichi, Sp. nov. 4 - 6a Pecopteris elliptica, Bunb. 7 - 8 Pecopteris (Gon.) robusta, Sp. nov. 9 - 10 Pecopteris (Gon.) lanceolata, Lx. Geol. Rept of Illinois, iv, Pl. xiii, f.1 - 3. 11 Pecopteris (Gon.) emarginata, Goepp. Ibid., Pl. xiii, f.4. 12 - 13a Pecopteris Squamosa, Lx. Ibid., Pl. xii, f.1 in parte; Pl. xiii, f.10, 11. 14 - 15a Pecopteris strongii, Lx. Ibid., Pl. xiii, f.7 - 0.