knowlton.i TERTIARY PLANTS OF NORTH AMERICA. 123 
Juglans Debeyana (Heer) Lx. Am. Jouru. Sci., vol. xlvi, p. 101, 1868. 
Populus? Debeyana Heer. Phyll. Cret. <1. Nebr., p. 14, pi. i, f. 1, 1866. 
Dakota group : Decatur, Nebr. ; New Ulin, Miunesota. 
Juglans dentata Newby. Proc. U. S. Nat. Mus., vol. v, p. 507, 1882 
[1883]. 
Eoceue : Green River, Wyoming. 
Juglans denticulata Heer = Juglans Orossii. 
Juglans egregia Lx. Mem. Mus. Coinp. Zool., vol. vi, no. 2, p. 30, pi. ix, 
f.12; pi. x, f. 1, 1878. 
Miocene : Chalk Bluffs, California. 
Juglans florissanti Lx. Cret. and Tert. Fl., p. 190, 1883. 
Green River group : Florissant, Colorado. 
Juglans harwoodensis Dn. Trans. Roy. Soc, Canada, vol. i, sec. iv, 
p. 28, pi. viii, f. 31, 1882 [1883]. 
Upper Cretaceous: Nanaimo, Vancouver Island. 
Juglans hesperia Kn. Eighteenth Ann. Rept. U. S. Geol. Surv., pt. iii, 
p. 723, pi. xcix, f. 8, 1898. 
Payette formation : Marsh, Idaho. 
Juglans laurinea Lx. Mem. Mus. Comp. Zool., vol. vi, no. 2, p. 35, pi. 
ix, f. 11, 1878. 
Miocene: Chalk Bluffs, California. 
Juglans Leconteana Lx. Tert. Fl., p. 285, pi. liv, f. 10-13, 1878. 
Denver group?: Evanston, Wyoming. 
Laramie group : Marshall, Colorado. 
Eocene?: Cherry Creek, Oregon. 
Juglans nigella Heer. Fl. Foss. Alask., p. 38, pi. ix, f. 2-4, 1869; Lx., 
Cret. and Tert. FL, p. 235, pi. xlviA, f. 11, 1883. 
Eocene?: Port Graham, Alaska. 
Fort Union group: Montana; Bad Lands, Dakota. 
Juglans nigella Heer, Dn. Rept. 49th Parallel = Juglans rugosa. 
Juglans obtusifolia Heer. Fl. Tert. Helv., vol. iii, p. 89, pi. cxxix, 
f. 9, 1859 j Lx., Ann. Rept. U. S. Geol. and Geogr. Surv. Terr. 1871, 
suppl., p. 12, 1871 [1872]. [Not afterwards mentioned by Lesquereux.] 
Laramie group?: Evauston, Wyoming. 
Juglans occidentalis Newby. Proc. U. S. Nat. Mus., vol. v, p. 507, 
1882 [1883]. 
Eocene: Green River, Wyoming. 
Juglans oregoniana Lx. Mem. Mus. Comp. Zool., vol. vi, no. 2, p. 
35, pi. ix, f. 10, 1878. 
Miocene: Chalk Bluffs, California. 
Juglans picroides Heer. Fl. Foss. Alask., p. 39, pi. ix, f. 5, 1869. 
Eocene?: Port Graham, Alaska. 
