SECOND GEOLOGICAL SURVEY OF PENNSYLVANIA - REPORT OF PROGRESS
P. DESCRIPTION OF THE COAL FLORA OF THE CARBONIFEROUS FORMATION
IN
PENNSYLVANIA AND THROUGHOUT THE UNITED STATES - VOL.III
BY LEO LESQUEREUX; ©1884
Plates LXXXVIII through CXI and Their Captions:
Scans and Webpage
©George Langford III, 2010
Plate XC (links in the Figure numbers point to Lesquereux's descriptions in the text)
Figure
Scientific Name
V1,V2,V3 Page
1
Volkmannia crassa, Lx. 719
2
Volkmannia praelonga, Lx. 720
3
Macrostachya spike 721
4
Volkmannia fertilis, Lx.720, 828
5
Equisetites gracilis, Lx.729
Leo Lesquereux -V.III,  Plate 90