470 PROFESSOR HEER ON THE EOSSIL FLORA OF NORTH GREENLAND. 
33. Fagus Deucalionis, Ung. Hr. FI. Foss. Arct. p. 105, pi. viii. figs. 1-4; x. 6; 
xlvi. 4. Hab. Atanekerdluk. 
Several fragments of leaves. Plate XLVI. fig. 9 is probably a fruit of Fagus. It is 
oval-elliptical, acuminate, and rounded at the base ; the surface with some smooth 
striae. It is only the impression of one side of the nucule, 14 millims. in length, and 8-| 
broad. The breadth is the same as in the fruit figured by Professor Ungee ( Chloris 
jorotogcea, pi. xxvii. fig. 4), but is much larger, and the ribs are wanting. 
34. Castanea TIngeri , Hr., Plates XLV. figs. 1-3; XLVI. 8. Foliis oblongo-lanceo- 
latis, apice acuminatis, dentatis, nervjs secundariis numerosis, approximatis, paral- 
lelis, strictis, craspedodromis, angulo acuto egredientibus ; floribus masculis glome*" 
ratis, glomerulis spicatis ; cupula globosa, .spinis tenuibus echinata, interne rugoso- 
porosa, seminibus kevigatis, 18 millims. longis. FI. Foss. Arct. p. 106, pis. x. figs. 8 ; 
xlvi. 1, 2, 3. Fagus castanecefolia, Ung. Chloris protogcea, p. 104, pi. xxviii. fig. 1. 
Hah. Atanekerdluk. 
The collection contains several leaves of this species, already described in the FI. Arct. 
The large leaves are fragmentary (Plate XLV. figs. 1 a, 3), but one almost entire small 
leaf is preserved, showing the sharp teeth, into which the numerous, straight secondary 
nerves run (Plate XLVI. fig. 8). I have already observed (FI. Arct. p. 106) that these 
leaves resemble Castanea more than Fagus : the flowers and the fruits, which I disco- 
vered in splitting the stones, confirm this opinion. I found in the collection from 
Copenhagen, just received, a portion of a leaf of this plant; and beside it a portion of 
the inflorescence of Castanea (Plate XLV. fig. 1. b, magn. 1 b, h) ; it presents three 
alternate sessile globose heads of flowers, 4^ millims. in diameter, around a straight, 
pretty strong peduncle. The uppermost head lies in the axis of a linear, awl-shaped 
bract, and consists of a number of long, obtusely-rounded leaflets, probably representing 
the calyx. They are highly compressed, and it is difficult to distinguish the structure 
of the flowers. I think that numerous similar flowers surrounded the axis, and that 
each calyx consists of six leaflets connate at the base. As these flowers lie over one 
another, it is not possible to distinguish the single ones. At some places are black 
threads, probably filaments originating from the stamens. In all these points this 
inflorescence agrees with Castanea , and the heads are of the same size and at the same 
distances apart, and the leaflets of the calyx are obtusely rounded, as in C. vesca. Sjpar-. 
ganium has a similar inflorescence, its male flowers form similar small heads in the buds, 
but the rachis is thinner and curved, and the flowers are differently shaped. 
On splitting a slab of Mr. Whympee’s, I found the cupula of Castanea along with 
fragments of leaves of Platanus and Hiospyros. This cupula is somewhat broader than 
long (26 millims. broad, and 22 long), almost globose, provided with numerous fine 
prickles, 5-7 millims. long ; it is furrowed on the inner side, and covered with small 
holes, marking the places where the prickles have been inserted (fig. 2). The cupula 
must have been rough and pretty thick, as it forms a pretty thick bark of coal. In 
