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

Figure Scientific Name 1 Cordaites costatus, Lx. 2 Stem of Cordaites with axis of Artisia [Artisia is mentioned under Lepidophloios, GL,III, ed.]