SSELLARDS.] Fossil Plants, Upper Paleozoic, Kansas. 461 
coniferous stem. A similar fossil occurs in the Permian of 
Kansas. The scars on the decorticated surface are long, 
slender, placed as a rule alternately. The Kansas specimen 
resembles the variety A. coniferoides minor rather closely. 
Formation and locality: Wellington shales, Banner City, 
Dickinson county. 
Genus undetermined. 
An undetermined plant is found in some abundance in the 
Fort Riley limestone at Marysville. The plant is possibly a 
conifer, although apparently unlike any described conifer. Oc- 
ceasionally the bushy top presents a resemblance to Gompho- 
strobus as seen in some of Potonie’s figures (Flora des Roth. 
von Thuringen). The stem part of the plant has longer ap- 
pendages, which in some cases resemble rootlets. The collec- 
tion of Mrs. Joseph Savage, of Lawrence, contains a specimen 
of this plant, reported to have been collected at Winfield. 
Formation and locality: Fort Riley limestone, Marysville. 
Geological Relation of the Fossil Plants of the 
Upper Paleozoic of Kansas. 
By far the greater number of species collected from the 
Upper Paleozoic of Kansas have been obtained from the three 
following formations: The Cherokee shales, the Douglas for- 
mation, and the Wellington shales. The floras of these three 
formations, while overlapping somewhat, are largely distinct. 
The flora of the Douglas formation is largely different spe- 
cifically from that of the Cherokee shales; the flora of the Wel- 
lington shales is almost entirely different from that of the 
Douglas formation; while between the Cherokee and Welling- 
ton no common species have been recognized. 
FLORA OF THE CHEROKEE SHALES. 
The flora of the Cherokee shales as developed at the coal- 
mines at Lansing is closely similar to the flora of the Cherokee 
shales in the vicinity of Clinton, Mo., not only in the number 
of identical species but in the facies of the flora as a whole. Of 
the species found at Lansing, about one-half have also been 
found at Clinton, Mo. The relation to the Mazon creek flora 
appears to be almost equally close, about one-third of the Lan- 
sing species being found also at Mazon creek. As compared 
with the English Coal Measures, the species are almost equally 
divided between the Middle and the Upper Coal Measures, 
