knowlton.j TERTIARY PLANTS OF NORTH AMERICA. 241 
Viburnum perfectum Ward. Bull. U. S. Geol. Surv., no. 37, p. 109, 
pi. lii, f. 3, 4; pi. liii, f. 1, 1887. 
Fort Union group: Clear Greek, Montana. 
Viburnum perplexum Ward. Bull. U. S. Geol. Surv., no. 37, p. Ill, 
pi. liv, f. 1, 1887. 
Fort Union group : Clear Creek, Montana. 
Viburnum platanoides Lx. = Platanus platanoides. 
Viburnum pubescens Pursh. Dn., Kept, on Geol. and Res. near 49th 
Parallel, Appen. A, p. 330, 1875. 
: Porcupine Creek. 
Viburnum robustum Lx. Fl. Dak. Gr., p. 120, pi. xx, f. 1-6, 1892. 
Dakota group: Kansas. 
Viburnum rotundifolium Lx. = Viburnum dichotomum. 
Viburnum saskatchuense Dn. Trans. Roy. Soc. Canada, vol. v, sec. 
iv, p. 35, 1887 [1888]. 
Canadian upper Laramie: North Saskatchewan. 
Viburnum solitarium Lx. Tert. Fl., p. 227, pi. lx, f. 3, 1878. 
Denver group: Golden, Colorado. 
Viburnum sphenophyllum Kn. in Lx. Fl. Dak. Gr., p. 123, pi. liii, 
f. 4, 1892. 
Dakota group : Kansas. 
Viburnum tilioides Ward = Viburnum antiquum. 
Viburnum Whymperi Heer. Fl. Foss. Arct., vol. ii, abt. iv, p. 475, 
pi. xlvi, f. lh 1869; Lx., Tert. Fl., p. '225, pi. xxxviii, f. 7 ; lxi, f. 23, 
1878. 
Fort Union group: Clear Creek, Montana. 
Miocene : Shasta County, California. 
Viburnum sp., Kn. Bull. Geol. Soc. Am., vol. viii, p. 134. 
Fort Union group: Lightning Creek, Converse County, Wyoming. 
VITIPHYLLUM Fontaine. Potomac Fl., p. 308, 1889. 
Vitiphyllum crassifolium Font. Potomac FL, p. 308, pi. cl, f. 9, 10, 
1889. 
Potomac formation : Potomac Run, /irginia. 
Vitiphyllum multifidum Font. Potomac Fl., p. 309, pi. clxxiii, f. 1-9, 
1889. 
Potomac formation: Baltimore, Maryland. 
Vitiphyllum parvifolium Font. Potomac FL. p. 309, pi. clxxii, f. 11, 
12, 1889. 
Potomac lormation : Baltimore, Maryland. 
VITIS (Tournefort) Linmims. Syst., ed. i, 1735. 
Vitis Bruneri Ward. Bull. U. S. Geol. Surv., no. 37, p. 09, pi. xxxii, f. 
1, 2, 1887. 
Vitis carboiiensis Ward. Loc. cit., p. 70, pi. xxxii, f. 3. 
Laramie group: Carbon, Wyoming. 
Vitis crenata Heer. Fl. Foss. Alask., p. 30, pi. viii, f. 0, 1809. 
Eocene?: Port Graham, Alaska. 
Ball. 152 Hi 
