52 DESCRIPTION OF SPECIES. 



is somewhat analogous, the numerous parallel secondary veins curving 

 up along the borders, some of them united by oblique veinlets. 



Competent observers in Europe have contradicted these views and 

 referred the fossil fragments to the Proteacece, comparing them to some 

 species of Lomatia; and later I have received from the Oligocene of Floris- 

 sant a large number of specimens, partly figured (pi. xliii), whose relation 

 both with the Cretaceous species and with living specimens of Proteacece 

 is evident. 



Lomatia Sapor taiiea, var. longi folia. 



Leaves larger, divisions longer and broader. 



None of the lateral leaflets are preserved entire, but from the frag- 

 ments they are at least 8 or 9 centimeters long, though comparatively 

 narrow, only i to 1 centimeter broad. The upper leaflets, two pairs of 

 which are preserved, with the terminal upon one of the specimens, are 6 

 centimeters long and 7 millimeters broad, the terminal having the same 

 size and characters. 



Besides the difference in the size of the leaflets, these appear a little 

 more distinctly coriaceous, and their surface is smooth without any trace 

 of venation. Better specimens may prove this to be a different species. 



Hal. — The specimens from which the variety is described are from 

 Morrison, Colorado, procured by A. Lakes. The others, first described, 

 are from Kansas. 



LAURACE^E. 



LAURTJS, Linn. 



Laurus Jfebrascensis, Lesqx. 

 "U. S. Geol. Rep./' vi, pi. 74, p. x, fig. 1; pi. xxviii, fig. 14. 



Laurus macrocarpa, Lesqx. 

 " U. S. Geol. Rep.," vi, p. 74, pi. x, fig. 2. 



Laurus proterefolia, Lesqx. 

 Plate III, Figs. 9, 10; XVI, Fig. 6. 

 Hayden's "Ann. Rep.," 1874, p. 342, pi. v, figs. 1, 2. 



Leaves subcoriaceous, broadly lanceolate, gradually narrowed from below the 

 middle into a long blunt acumen, more rapidly attenuated to tbe base; medial nerve 

 straight or slightly curved; lateral nerves slender, camptodrome, parallel, except the 

 lower pair slightly more oblique. 



The leaves vary in size from 9 to 16 centimeters long and 2i to 3i 



