BerrRY: MESOZOIC FLORA OF THE COASTAL PLAIN 189 
PINUS RARITANENSIS. Berry (?) Bull. Torrey Club 36: 
247. 1909 
Leaves in fascicles of threes, undoubtedly of this species, were 
collected by the writer on July 13, 1907, but were destroyed dur- 
ing shipment so that the occurrence is queried. It is associated 
with amber at Martha’s Vineyard, Kreischerville, Staten Island, 
and Morgans, N. J., and with wood of Pityoxy/on at the two latter 
outcrops, so that possibly the widely disseminated amber of the 
North Carolina Cretaceous may owe its origin to this same species. 
OccuRRENCE: Court House Bluff, Cape Fear River. 
ARALES 
Pistia Nordenskioldi (Heer) Berry, comb. nov. 
(PLATE 21, FIGURES I-15) 
Chondrophyltlum Nordenskioldi Heer, Fl. Foss. Arct. 37: 114. 
pi. 30. f. 46; pl. 32. f. 11, 12. 1874.—Berry, Bull. Torrey 
Chib 34: 19085 p18. 23.. 7. FT. - “1907, 
This species of Heer’s, described originally from the Atane 
beds of Greenland, was identified by the writer in 1907 among the 
scanty materials collected at Blackmans Bluff on the upper Neuse 
River in 1906 but its true botanical affinity was not determined. 
With the discovery of additional localities during the summers of 
1907 and 1908 it was found to be exceedingly abundant and its 
true relations began to be suspected. In its size, outline, and 
venation it is scarcely to be distinguished from the modern Pistia 
Stratiotes L., which is certainly a variable and widely distributed, 
chiefly tropical, species. In this country it is found from Florida 
to Texas. Elsewhere it occurs in the West Indies and southward 
through Mexico and Central America to Paraguay and Argentina. 
In Africa it is found from Natal to Senegambia and Nubia, occurring 
also in Madagascar and the Mascarene Islands. In Asia it occurs 
throughout the East Indies and northward to the Philippines. 
The fossil forms are more like the younger leaves of the 
modern plant (possibly a phylogenetic character in the latter), the 
later leaves tending toward a cuneate outline with a truncated 
apex and straighter sides. 
