36 
others referred by Heer to Juniperus, Libocedrus, Frenelopsts, 
Thuya and Dammara. Ofthese the most abundant and most 
interesting are MWoriconia cyclotoron—the most beautiful of coni- 
fers—and Cunninghamites elegans, both of which occur in the 
Cretaceous clays of Aachen, Prussia, and Patoot, Greenland. The 
Brachyphyllum was a large and strong species with imbricated 
cones eight inches in length. 
The angiosperms form about seventy species, which include 
three of Magnolia, four of Liriodendron, three or four of Salix, 
three of Celastrophyllum (of which one is identical with a Green- 
land species), one Ce/astrus (also found in Greenland), four or five 
Aralias, two Sassafras, one Cinnamomum, one Hedera, with 
leaves that are apparently identical with those described by Heer 
as belonging to Andromeda, Cissites, Cornus, Dewalquea, Diospyros, 
Eucalyptus, Ficus, lex, Juglans, Laurus, Menispermites, Myrica, 
Myrsine, Prunus, Rhamnus, and others not yet determined. 
Some of the Aralias had palmately lobed leaves nearly a foot 
in diameter—and two of the tulip trees (Liriodendron) had leaves 
quite as large as those of the living species. Oneof these had deeply 
« lobed leaves like those of the white oak. Of, the other the leaves 
resembled those of the recent tulip tree, but were larger. Both 
had the peculiar emargination and the nervation of Liriodendron. 
Among the most interesting plants of the collection are fine 
species of Bauhinia and Hymenea. Of these the first is repre- 
sented by a large number of leaves, some of which are six or 
seven inches in diameter. They are deeply bilobed and have the 
peculiar and characteristic form and nervation of the leaves of 
this genus. Bauhinia is a leguminous genus allied to Cercis, and 
now inhabits tropical and warm temperate climates in both hem- 
ispheres. Only one species occurs in the United States, Bauhinia 
lunarioides, Gray, found by Dr. Bigelow on the Rio Grande. 
Hymenea is another of the leguminose and inhabits tropical 
America. A species of this genus has been found in the Upper 
Cretaceous of France, but quite different from the one before us, 
in which the leaves are much larger, and the leaflets are united 
ina common petiole, which is winged ; this is a modification not 
found in the living species, and one which brings it nearer to 
Bauhinia. 
