knowlton.i TERTIARY PLANTS OF NORTH AMERICA. 235 
Ulmophyllum brookense (Font.). 
Ulmiphyllnm brookense Font. Potomac Fl., p. 312, pi. civ, f. 8; cixm, f. 7, 
1889. 
Potomac formation : Near Brooke, Virginia. 
Ulmophyllum crassinerve (Font.) 
Ulmiphyllnm crassinerve Font., Potomac FL, p. 313, pi. clviii, f. 6, 7, 1889. 
Potomac formation : Deep Bottom, Virginia. 
Ulmophyllum priscum Dn. Trans. Boy. Soc. Canada, vol. xi, sec. 
iv, p. 59, pi. viii, f. 28, 1893 [1894]. 
Upper Cretaceous: Port McNeill, Vancouver Island. 
Ulmophyllum tenuinerve (Font.) 
Ulmiphyllnm tenuinerve Font. Potomac FL, p. 313, pi. clviii, f. 1,1889. 
Potomac formation: Near Brooke, Virginia. 
ULMUS (Tournefort) Linnaeus. Syst., ed. i, 1735. 
Ulmus affinis Lx. Mem. Mus. Oomp. Zool., vol. vi, no. 2, p. 16, pi. iv, 
f. 4, 5, 1878. 
Miocene: Table Mountain, California. 
Ulmus alata? Michx. Lx., Am. Journ. Sci., vol. xxvii, p. 365, 1859. 
Pleistocene : Banks of Mississippi, near Columbus, Kentucky. 
Ulmus americana L. Hollick, Bull. Torr. Bot. Club, vol. xix, p. 332, 
1892- Penballow in Coleman, Journ. Geol., vol. iii, p. 635, 1895; 
Trans. Boy. Soc. Canada, 2d ser., vol. ii, sec. iv, p. 68, 73, 1896. 
Miocene?: Bridgeton, New Jersey. 
Pleistocene: Don River, Canada. 
Ulmus antecedens Lx. Bull. Mus. Comp. Zool., vol. xvi, p. 49, 1888. 
Denver group: Golden, Colorado. 
Ulmus Braunii Heer. Fl. Tert. Helv., vol. ii, p. 59, pi. lxxix, f. 14-21, 
1856; Lx., Cret. and Tert. Fl., p. 161, pi. xxvii, f. 1-4, 8, 1883. 
Green River group : Florissant, Colorado. 
Eocene?: Kamloops, British Columbia. 
Ulmus Brownellii Lx. Cret. and Tert. Fl., p. 160, pi. xxviii, f. 2, 4, 
1883. 
Green River group: Florissant, Colorado, White River. 
Ulmus californica Lx. Mem. Mus. Comp. Zool., vol. vi, no. 2, p. 15, 
pi. iv, f. 1,2; pi. vi,f. 7a, 1878; Cret, and Tert. Fl., p. 265, pi. xlvB, f. 
3, 4, 7, 1883. 
Miocene: Chalk Bluffs and Table Mountain, California. 
Miocene: John Day Valley, Oregon. 
Ulmus dubia Dn. Trans. Roy. Soc. Canada, vol. i, sec. iv, p. 27, pi. 
vii, f. 29, 1882 [1883]. 
Upper Cretaceous: Baynes Sound. 
Ulmus grandifolia Newby. Proc. U. S. Nat. Mus., vol. v, p. 508, 1882 
[1883]. 
Tertiary: Tongue River, Wyoming. 
