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 LVIII  (links in the Figure numbers point to Lesquereux's descriptions in the text)
Figure
Scientific Name
1, 2
Rhacophyllum membranaceum, Sp. nov.
3
Rhacophyllum hamulosum, Sp. nov.
4, 5
Rhacophyllum spinosum, Sp. nov.
6, 7
Rhacophyllum fucoideum, Sp. nov.
Lesquereux - Plate LVIII