BERRY: MESOZOIC FLORA OF ATLANTIC COASTAL PLAIN 389 
that occur in the Cretaceous of the Atlantic coastal plain as shown 
in the appended table, the Woodbine represents an earlier rather 
than a later part of the Dakota interval. Eleven Woodbine species 
are found in the lower Raritan, eleven in the upper Raritan, 
eleven in the Magothy, and fifteen in the lower Tuscaloosa of 
western Alabama. From extensive studies of this large lower 
Tuscaloosa flora it seems probable that its basal portion represents 
the time equivalent of the uppermost Raritan, and there are sixteen 
species from these two horizons represented in the Woodbine 
collection. The small representation in the upper Tuscaloosa is 
without chronologic significance, since it merely reflects our 
present lack of knowledge of the constituents of this upper Tusca- 
loosa flora. The presence of only five of these species in the 
Black Creek-Middendorf beds of the Carolinas, while it probably 
indicates that the latter are in the main younger than the Wood- 
bine,* would be more impressive if all five were not extremely 
abundant and wide-ranging forms, all being present in either the 
lower Raritan or the lower Tuscaloosa. Only two species are 
found in the lower Eutaw, the older character of the Woodbine 
flora being particularly emphasized by the absence of the char- 
acteristic symnosperms, such as Araucaria bladenensis Berry, 
Araucaria Jeffreyi Berry, Sequoia, Cunninghamites, Tumion, the 
two species of Androvettia, etc. In fact, the Woodbine flora is 
remarkable by reason of the almost total absence of gymnosperms, 
onty two forms, Brachyphyllum macrocarpum formosum and 
Podozamites lanceolatus, being represented in the present collection, 
and none being recorded in the previous collections studied by 
Knowlton, 
Our knowledge of the Woodbine flora is much too limited for 
ee Positive conclusions regarding the botanical or physical con- 
ditions that attended its development; and larger collections are 
much to be desired, since the small collections studied by the 
fad by: Dr. Knowlton indicate the presence in these beds 
mi lar 8€ and varied, even if fragmentarily preserved, flora. This, 
"0 Collected and studied, may be expected to show the relation 
—<i the Dakota flora and that from the Cheyenne sandstone of 
*T 
j ey the Middendorf as the equivalent of a part of the Tuscaloosa and the 
Ypical Black Creek as representing the upper Tuscaloosa and lower Eutaw. 
