63 
Genus, daphnophyllum Heer 
Daphnophyllum dakotense Lesquereux 
Plate X, figure 4 
Daphnophyllum dakotense Lesquereux, Flora Dakota Group, p. 99, PL 51, 
figs, L4; PL 52, fig. 1 (1892). 
I cannot see any differences between this material from the Upper 
Blairmore and the somewhat variable form described under the above 
name by Lesquereux from Ellsworth county, Kansas, and which is sup- 
posed to have come from the Dakota sandstone, although there is some 
uncertainty as to its exact horizon, and it may have come from the older 
Mentor formation of the same region. Its reference to Daphnophyllum 
is by no means established, and in particular it resembles a type of leaf 
frequently referred to the form-genus Andromeda. 
Locality OH9. 
Genus, sassafras Linnaeus 
Sassafras mudgii Lesquereux (?) 
Sassafras mudgii Lesquereux, Am. Jour. Sci., vol. 46, p. 99 (1868); Cret. 
Flora, p. 78, Pl. 14, figs. 3, 4; PL 30, fig. 7 (1874). 
Ward, 19th Ann. Rept. U.S. Geol. Surv., pt. 2, p. 705, Pl. 170, figs. 
4, 5; Pl. 171, fig. 1 (1899). 
Berry, U.S. Geol. Surv., Prof. Paper 129, p. 219, PL 61, fig. 3 (1922). 
Two small trilobate leaves from the Upper Blairmore in all probability 
represent this species. It was originally based upon material from central 
Kansas which was supposed to have come from the Dakota sandstone, but 
which may have come from the older Mentor formation. It has never 
been found elsewhere at the horizon of the true Dakota sandstone except 
for the doubtful record by Ward from the Black Hills in South Dakota, 
cited above, which I have recently determined to be older than true 
Dakota. It is undoubtedly present in the Cheyenne sandstone of 
southern Kansas. 
Locality DA5. 
Genus, paliurus Jussieu (?) 
Paliurus ovalis Dawson (?) 
Plate X, figure 7 
Paliurus ovalis Dawson, Trans. Roy. Soc., Canada, vol. 3, sec. 4, p. 14, 
Pl. 4, figs. 4, 8 (1885). 
Lesquereux, Flora Dakota Group, p. 166, PL 35, fig. 7 (1892). 
Newberry, FI. Amboy Clays, p. 107, PL 23, fig. 8 (1896). 
Rollick, U.S. Geol. Surv., Mon. 50, p. 91, PL 34, fig, 14 (1906). 
As Newberry long ago pointed out there is but slight basis for con- 
sidering these leaves to be related to the Tertiary and existing species of 
Paliurus, nor is the specific identity of the forms cited in the foregoing 
synonymy by any means established. Neither the Dakota sandstone 
