knowlton.1 TERTIARY PLANTS OF NORTH AMERICA. 239 
Viburnum Dentoni Lx. Oret. and Tert. FL, p. 231, pi. xlix, f. 2, 3, 
1883. 
Fort Union group: Bad Lands, North Dakota? 
Viburnum dichotomum Lx. Ann. Kept., op. cit., p. 399, 1872 [1873]; 
Tert, FL, p. 225, pi. xxxviii, f. 6, 1878. 
Viburnum rotundifolium Lx. Ann. Kept., op. cit., p. 305, 1874 [1876] ; Tert. 
FL, p. 225, pi. xxxvii, f. 12 ; pi. xxxviii, f. 10; pi. lxi, f. 22, 1878. 
Viburnum Whymperi Heer. Lx., Ann. Rept., op. cit., p. 395, 1872 [1873]; 
Tert. FL, p. 225, pi. xxxviii, f. 7 ; pi. lxi, f. 23, 1878. 
Laramie group: Black Buttes and Point of Kocks, Wyoming. 
Viburnum ellsworthianum Lx. Fl. Dak. Gr., p. 121, pi. xxi, f. 6, 
1892. 
Dakota group : Kansas. 
Viburnum elongatum Ward. Bull. U. S. Geol. Surv., no. 37, p. 112, 
pi. liv, f. 1, 5, 1887. 
Fort Union group: Clear Creek, Montana. 
Viburnum erectum Ward. Bull. U. S. Geol. Surv., no. 37, p. 112, pi. 
lv, f. 3, 1887. 
Fort Union group: Clear Creek, Montana. 
Viburnum finale Ward. Bull. U. S. Geol. Surv., no. 37, p. 115, pi. 
lvii, f. 5, 1887. 
Fort Union group : Iron Bluff, Montana. 
Viburnum goldianum Lx. Tert. Fl., p. 227, pi. lx, f. 2-2c, 1878. 
Denver group: Golden, Colorado. 
Viburnum grandedentatum Newby. Proc. U. S. Nat. Mus., vol. v, 
p. 511,1882 [1883]. 
Tertiary : Tongue River, Wyoming. 
Viburnum grewiopsidium Lx. Fl. Dak. Gr., p. 120, pi. xxi, f. 4, 1892. 
Dakota group: Kansas. 
Viburnum inaequilaterale Lx. Fl. Dak. Gr., p. 119, pi. xxi, f. 2, 3, 
1892. 
Dakota group, Kansas. 
Viburnum integrifolium Newby. MSS. Hollick, Bull. Torr. Bot. 
Club, vol. xxi, p. 51, pi. clxxvii, f. 7, 1894; Newby., Fl. Amboy Clays, 
p. 125, pi. xli, f. 1, 1895 [1896]. 
Cretaceous: Glen Cove, Long Island. 
Amboy clay : Woodbridge, New Jersey. 
Viburnum Lakesii Lx. Ann. Kept. U. S. Geol. and Geogr. Surv. 
Terr., p. 401, 1873 [1874]; Tert, FL, p. 22(3, pi. xxxvii, f. 13, 1878. 
Denver group: Golden, Colorado. 
% : Northwest Territory. 
Viburnum lanceolatum Newby. Later Extinct Floras, p. 54, 1868. 
Fort Union group : Fort Union, North Dakota. 
Upper Laramie group : Porcupine Creek. 
Viburnum Lesquereuxii Ward in Lx. Fl. Dak. Gr., p. 121, 1892. 
Dakota group : Kansas. 
