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 LXVI  (links in the Figure numbers point to Lesquereux's descriptions in the text)
Figure
Scientific Name
Reference
1
Ulodendron minus, Ll. & H. [Note: mispelled as "Uodendron" in the Atlas index - GL, III, ed.]
2 - 2a
Ulodendron commutatum, Schp.
3, 3a
Ulodendron majus, Ll. & H.
Geol. Rept. of Illinois, iv, Pl. xxii, f.4a, b & c.
Lesquereux - Plate LXVI