MARYLAND GEOLOGICAL SURVEY 235 
disposed at varying angles of divergence from the midrib, curving and 
anastomosing near the margin or irregularly connected by oblique or 
curved tertiaries. 
This species is somewhat suggestive of S. oregonianus Knowlton (Bull. 
U.S. Geol. Survey, No. 204, p. 79, pl. xv, fig. 3) and to S. obtusifolius 
Lesq., (Ann. Rept. U. S. Geol. and Geog. Surv. Terr., 1873, p. 419, Tert. 
Fi. pl. xlix, figs. 8-11; Cret. and Tert. Fl. pl. xlviii, figs. 5-7) but differs 
in the more tapering base. It is possible that all specimens might not 
exhibit this characteristic to the same extent, in which case the similarity 
with 8. oregonianus would be very close. 
Occurrence—SUNDERLAND ForMATION. Near the headwaters of Is- 
land Creek, Calvert County. 
Collections.—Maryland Geological Survey. 
Order RHAMNALES. 
Family VITACEAE. 
Genus VITIS Linne. 
VITIS sp. ? 
Grape seeds are plentiful in the swamp deposits of Talbot age at Bod- 
kin, Grace, and Grove Points, and are sparingly represented in the de- 
posits at Drum Point. 
Order UMBELLALES. 
Family CORNACEAE. 
Genus NYSSA Linne. 
Nyssa BIFLora Walt. 
Plate LXIX, Fig. 5. 
Nyssa bifora Walt., 1788, Fl. Car. p. 253. 
Description.—Several leaves, apparently identical with the one figured, 
were found in the Talbot swamp deposits at Drum Point and Bodkin 
Point, but with one exception it was found to be impossible to preserve 
them long enough to permit of their being drawn. The specimen figured 
18 from the former locality. __ 
