knowlton-1 TERTIARY PLANTS OF NORTH AMERICA. 219 
Sequoia subulata Heer. Zeitschr. d. deutsch. geol., Gesell. 1872, p. 
162, 1872 j Font., Potomac Fl., p. 245, pi. cxvii, f. 7, cxviii, f. 5, 6, 1889. 
Potomac formation : Near Dutch Gap Canal, near Telegraph Sta- 
tion, and Fredericksburg, Virginia. 
Amboy clay?: Sayreville, New Jersey? 
Sequoia Winchelli Lx. Geol. and Nat. Hist. Surv. Minn., vol. iii, p. 
10, pi. A, f. 1,1893. 
Dakota group : Austin, Minnesota. 
Sequoia sp., Dn. Trans. Koy. Soc. Canada, vol. v, sec. iv, p. 34, 1887. 
[Wood.J 
Upper Laramie group : Turtle Mountain. 
Lignitic : Souris Valley. 
Middle lignitic: Two hundred and forty -five-Mile Valley; Wood 
End Depot; Mackenzie River; Edmonton, British Columbia. 
Sequoia sp., Dn. Trans. Roy. Soc. Canada, vol. v, sec. iv, p. 34, 1887. 
[Wood.] 
Canadian upper Laramie : Wood End Depot; Coteau; Mackenzie 
River. 
Sequoia sp., Dn. Trans. Roy. Soc. Canada, vol. v, sec. iv, p. 32, 1887. 
[Wood.] 
Belly River series: Ribstone Creek; Saskatchewan River, British 
Columbia. 
Sequoia sp., Dn. Trans. Roy. Soc. Canada, vol. v, sec. iv, p. 32, 1887. 
[Wood.] 
Fort Pierre group : Bow River, Canada. 
Belly River series: Ribstone Creek; west of Medicine Hat. 
Sequoia sp., Dn. Trans. Roy. Soc. Canada, vol. viii, sec. iv, p. 80, f. (in 
text) 8, 1890 [1891]. 
: Stump Lake, British Columbia. 
Sequoia sp., Font. Potomac Fl., p. 247, pi. cxx, f. 9, 1889. 
Potomac formation: Fredericksburg, Virginia. 
Sequoia sp., Font. Potomac FL, p. 248. pi. cxvi, f. 7 ; cxxxii, f. 2, 5, G, 
1889. 
Potomac formation : Near Brooke and Fredericksburg, Virginia. 
Sequoia sp., Font. Potomac Fl., p. 248, pi. cxxxii, f. 10, 1889. 
Potomac formation : Fredericksburg, Virginia. 
Sequoia sp., Kn. in Hill. Am. Journ. Sci., vol. 1, p. 212, 1895. 
Cheyenne sandstone: Belvidere, Kansas. 
Sequoia sp.? Kn. Bull. Geol. Soc. Am., vol. viii, p. 134, 1897. 
Fort Union group: Lightning Creek, Converse County, Wyoming. 
Sequoia sp., Lx. Bull. U. S. Geol. and Geogr. Surv. Terr., vol. i, p. 
384, 1875 [1876]. 
Laramie group : Black Buttes, Wyoming. 
Sequoia? sp., Lx. Ann. Rept. U. S. Geol. and Geogr. Surv. Terr., p. 
310, 1874 [1876]. 
?: Middle Park. Colorado. 
