22 BERRY: MESOZOIC FLORA OF THE COASTAL PLAIN 
Quercus severnensis sp. nov. 
Leaves of small size, ovate-lanceolate in outline, becoming 
gradually narrowed apically, 7 cm. in length by 2.3 cm. in greatest 
breadth, which is in the basal half of the leaf. Apex pointed. Base 
-rounded. Petiole short and stout. Margin entire for its basal 
fourth, above which it is beset with distant, prominent, serrate teeth 
separated by inequilateral rounded sinuses. Midrib stout. Sec- 
ondaries remote, 6-8 pairs, subopposite to alternate, branching 
from the midrib at angles of from 45° to 50°, but slightly curved, 
not prominent; basal ones sending branches into the teeth, distal 
ones running direct to the marginal teeth. (PLATE 8, FIGURE 3.) 
This species is somewhat suggestive of the much older Quer- 
cophyllum chinkapinensis Ward of the Patapsco formation and it is 
closely related to Quercus Holmesit Lesq., of the Dakota Group of 
the West and the Magothy formation of New Jersey. Among 
modern oaks analogies may be found among the scrub and live 
oaks of the Pacific slope, as, for example, Quercus Wislizent, Quer- 
cus agrifolia, Quercus tomentella, and Quercus chrysolepis, especially 
the first; and with Quercus /lex of Europe. The single specimen 
comes from Round Bay on the Severn River. 
RANALES 
SASSAFRAS ACUTILOBUM Lesq. Cret. Fl. 79. pl. 7g. f. 12. 1874 
This common Cenomanian species is abundantly represented 
in the Magothy formation of Maryland. The present material is 
from Grove Point, Cecil County; Brightseat, Prince George’s 
County; and the Pennsylvania Avenue locality in the District of 
Columbia. 
SASSAFRAS CRETACEUM Newb. Later Ext. Fl. 14. 1868 
This Dakota Group species is represented in the Magothy 
formation of Maryland by specimens from Brightseat, Prince 
George’s County ; and Overlook Inn Road and Pennsylvania Ave- 
nue extended in the District of Columbia. It is of especial interest 
as a form reported by Stanton * in association with /noceramus 
labiatus in the Woodbury formation of Iowa. 
* Stanton, Bull. U. S. Geol. Surv. 106: 21. 1893. 
