FOSSIL FLORA. 725 



Laurus princeps Heer. 

 PL XOV, fig. 3. 



Laurus princeps Heer. Lesquereux: Cret. and Tert. Fl., p. 251, PI. LVIII, fig. 2. 



The fine leaf shown in the plate is absolutely perfect. It has the 

 same size, shape, and nervation as fig. 2 of Lesquereux's plate (loc. cit). 



Habitat: Yellowstone River, one-half mile below mouth of Elk Creek, 

 base of bluff; collected by F. H. Knowlton, August, 1888. 



Laurus californica Lx. 



Laurus californica Lx.: Cret. and Tert. Fl.. p. 250, PI. LYII, fig. 3; PI. LVIII, figs. 

 6-8. 



Habitat: Fossil Forest Ridge, beds Nos. 3, 5, and 6; Specimen Ridge, 

 Fossil Forest, opposite Slough Creek; collected by Ward and Knowlton, 

 August, 1887. Northeast side of Crescent Hill, opposite small pond, 

 altitude 7,500 feet; collected August 2, 1888, by F. H. Knowlton and 

 G E. Culver. 



Laurus grandis Lx 



PI. XCIII, fig. 3; PI. XCV, fig. 1. 

 Laurus grandis Lx.: Cret. and Tert. FL, p. 251, PI. LVIII, figs. 1,3. 



Habitat: Fossil Forest Ridge, beds Nos. 3, 5, and 7; collected by 

 Ward and Knowlton, August, 1887. Specimen Ridge, Fossil Forest, head 

 of Crystal Creek; collected by Ward and Alderson, August 25, 1887. 

 Hill above Lost Creek; collected by George M. Wright, September 24, 1885. 



Persea pseudo-carolinensis Lx. 



PL XCY, fig. 4. 



Persea pseudo-carolinensis Lx. : Auriferous Gravels of California, Mem. Mus. Comp. 

 ZooL, Vol. VI, No. 1, p. 10, PL VII, figs. 1, 2. 



The specimen figured, which is the best one found, agrees closelv with 

 the figure of this species given by Lesquereux (loc, cit., fig. 1). 



Habitat: Specimen Ridge, Fossil Forest, head of Crystal Creek: col- 

 lected by Ward and Knowlton, August 25, 1887. East bank of Lamar 

 River, between Cache and Calfee creeks; collected by F. H. Knowlton, 

 August 21, 1888. 



