MUSEUM CF COMPARATIVE ZOOLOGY. 53 
Nyssee. 
87. Nyssa Europea, Ung. A fragment of a leaf which by its form, the 
lower part of it especially, its nervation, and the thick curved petiole, is remark- 
ably similar to the figure of that species in Ung. Sillog. Pl. Foss., III. p. 73, 
Plate XXIII. figs. 6, 7, 10. 1 specimen. 
Magnoliacee. 
88. Magnolia tenwinervis, Lx. , 3 specimens. 
Nelumbonee. 
89. Nelumbium Lakesii, Lx. 2 specimens. 
Malvacee. 
90. Pterospermites grandidentatus, sp. nov. Leaves large, sometimes very 
large, somewhat like leaves of Platanus, palmately sub-five-nerved ; the outer 
lateral nerves being generally thin and shorter, much divided outside; lower 
secondary nerves opposite, at a distance from the base; borders sharply dentate, 
the teeth acute, turned upward, entered by the primary nerves and their 
branches, while toward the apex the secondaries curve in festoons along the 
borders, joined to the teeth by small anastomosing branches; nervilles strong, 
at right angles to the nerves. 
This definition is about the same as that given by Saporta of P. inequifolius, 
Sez. Fl., p. 402, Plate XII. figs. 3-5. One of the leaves of Golden is well pre- 
served, and merely differs from those described by the French author in the lateral 
primary nerves somewhat incurved not quite straight. Two other specimens 
represent merely the base of two leaves with five primary nerves around the 
point of attachment of the petiole and two smaller ones declining downward 
to the cordate base, as in the leaves of Ficus (Dombeyopsis) grandifolia, Ung. 
3 specimens. 
91. Pterospermites, species. A mere fragment, the lower half of an oblong ? 
comparatively small leaf, membranous, rounded and slightly emarginate at the 
base, palmately nerved, with two pairs of more slender nerves under the base 
of the primary ones. The nervation is the same as in P. spectabilis, Heer, 
Arct. Fl, II. p. 480, Plate LIII. figs. 2,3; but the species apparently differs by 
the nerves being more straight and the leaf apparently smaller. 1 specimen. 
Tiliacee. 
92. Tilia antiqua ? Newby. Probably the species, though the areolation and 
nervation of one of the leaves are much like that of Greviopsis sidefolia, Sap., 
Fl. Foss. de Sezanne, p. 407, Plate II. fig. 10. There are only two leaves, upon 
the same specimen, and both are fragmentary, the borders being mostly 
