410 GEOLOGICAL SURVEY OF THE TERElTOfelES. 



iv, Figs. 4-38,) differing by longer, narrower, more acute leaves, and by 

 the larger seeds, quite round or obtuse, not pointed upward. The same 

 character, the large size of the seeds, separates this species from S. 

 Langsdorjiij which it reseaibles somewhat more by the form of the 

 leaves; these, however, are still narrower than in any of the numerous 

 forms of this species. 



Hahitat. — Elko, Prof Cope. Two specimens, with more open, shorter 

 leaves, but equally narrow, come from Middle Park, Dr. Hoyden. 



Sequoia Langsdorfii(?), Brgt. 



Only a small fragment, identifiable with this species, as figured by BTeer, 

 (Arct. M., 11, p. 464, PI. xliv. Fig. 2.) It is not possible to ascertain 

 identity from such a fragment, it, however, shows the two forms of 

 leaves as in the quoted figure. There is also from the same locality a 

 small branch with lateral simple branchlets, bearing short, linear, pointed 

 leaves, similar to those of S. Coutsice, Heer, {loc. cit. PL xli. Fig. 

 10^,) except that all the leaves are erect, not curved inward. This may 

 be still referable to S. Langsdorfii^ though the leaves are shorter and 

 more acutely pointed. 



Sahitat. — Elko Station, Coije; the var., Middle Park, Co^pe and Hayden. 



PiNUS POLARIS, Heer. 



Leaves very long proportionally to their narrow size, 1 millimeter 

 broad, 6 to 7 centimeters long, obtusely-pointed 5 medial nerve thick 

 and broad ; lateral veins thin but distinct, three or four on each side. 

 As far as the leaves indicate it, these fragments represent, indeed, Heer's 

 species, as described in Fl. Spitz., (j). 39, PI. v, Figs. IS, and lo^-lS*^.) 

 There are, however, no seeds indicating relation to the same species. 

 The shales are covered with crushed fragments of conifers, scarcely dis- 

 cernible, and, therefore, mostly undeterminable. Among these are wings 

 of coniferous seeds similar to those which the same author figures as P. 

 stenoptera, (same plate. Figs. 21, 23.) 



Hahitat. — South Park, near Castello Eanch, Dr. Hayden, Florisant, 

 Prof. Cope. 



The shale of South Park, Middle Park, and Elko station have a 

 quantity of crushed remains of conifers, leaves, cones, separate scales, 

 and seeds, which may be described hereafter with figures, but whose 

 description without illustratiou would be incomprehensible for the 

 reader and useless to science. 



ACORUS AFFINIS, Sp. noV.C?) 



Stem thick, evidently striate or nerved by parallel, distant, thick 

 veins; bearing a broad, short, crushed ear, with seeds placed in parallel 

 or spiral rows, and whose form is uudistinct. The species is related to 

 A. hrachystachys, Heer, (Spitz., Fl., p. 51, Tab. viii. Fig. 7,) which has 

 been described already from Crestou and from Carbon, (Eeport for 1872, p. 

 385;) differing by its larger stem, with more distant and thicker stride, 

 and its broader ear, which is crushed and somewhat indistinct, though 

 of the same form. The seeds, apparently trigonal in form, are flattened, 

 and in rows, which rather seem parallel than in spiral. The form is 

 still specifically uncertain. 



Hahitat — Florissant, South Park, Prof. Cope. 



