knowlton.] TERTIARY PLANTS OF NORTH AMERICA. 227 
Taxodium (G-lyptostrobus) virginicum Font. Potomac Fl., p. 252, 
pi. cxxi, f. 6, 1889. 
Potomac formation: Near Potomac Run, Virginia. 
Taxodium sp., Dn. Trans. Roy. Soc. Canada, vol. xi, sec. iv, p. 56, pi. 
vi, f. 10, 1893 [1894]. 
Upper Cretaceous : Nanaiino, Vancouver. 
TAXOXYLUM Unger. Chlor. Prot., p. 33, 1842. 
Taxoxylon sp., Dn. Rept. on Geol. and Res. near 49th Parallel, 
Appen. A, p. 331, 1875. 
Lignitic tertiary: u Forty-ninth parallel." 
Taxoxylon sp., Dn. Geol. Surv. Canada, Rept. of Progress for 
1872-73, Appen. I, p. 67, 1873. 
Lower Cretaceous: British Columbia. 
TAXUS (Tournefort) Liumeus. Syst., ed. i, 1735. 
Taxus baccata L., Penhallow, 1890 = Taxus minor. 
Taxus canadensis Willd., Penhallow (1896) = Taxus minor. 
Taxus minor (Mx.) Britton. 
Taxus baccata L. Penhallow, Bull. Geol. Soc. Am., vol. i, p. 321, 333, 1890. 
Taxus canadensis Willd. Penhallow, Trans. Roy. Soc. Canada, 2d ser., vol. 
ii, sec. iv, p. 67, 73, 1896. 
Pleistocene: Don River and Don Yalley, Toronto; Cape Breton; 
Fort Madison, Iowa; Solsgirth and Rolling River, Manitoba; 
Bloomington, Illinois. 
TerminaliaRadobojensis Heer, Lesquereux [1871] = Magnolia Lesleyana, 
Tetranthera Jacq.= Malapoenna. 
Tetranthera prascursoria Lx. Cret. and Tert. Fl., p. 228, pi. xlviii, 
f. 2, 1883. 
Fort Union group : Bad Lands, Dakota. 
Tetranthera sessiliflora Lx.=Litsea sessiliflora and L. Weediana. 
THINNFELDIA Ettingshausen. Abhandl. d. k. k. geol. Reichsan- 
stalt, vol. i, abt. iii, no. 3, p. 2, 1852. 
Thinnfeldia granulata Font. Potomac Fl., p. Ill, pi. xxvi, f. 10-12; 
xxvii, f. 1-5, 8; pi. clxix, f. 1, 1889. 
Potomac formation: Near Dutch Gap Canal and near Potomac 
Run, Virginia. 
Thinnfeldia lanceolata Kn. Bull. U. S. Geol. Surv., no. 105, p. 49, 
pi. v, f. 5, 1893. 
Laramie group : Bozeman coal field, Montana. 
Thinnfeldia Lesquereuxiana Heer.=Thinnfeldia subiutegrifolia. 
Thinnfeldia montana nom. nov. 
Thinnfeldia polyinorpha * (Lx.) Kn. Proc. Biol. Soc. Wash., vol. vii, p. 153, 
1892 ; Bull. U. S. Geol. Surv., no. 105, p. 47, pi. v [i], f. 1-4, 1893. 
Salisburia polyinorpha Lx. Am. Journ. Sci., 2d ser., vol. xxvii, p. 362, 1859 
[nomen nudum] ; Ann. Rept. U. S. Geol. and Geogr. Surv. Terr., p. 404, 1872 
[1873]. 
[* Thinnfeldia polymorpha (Lx.) Kn., 1892, preoccupied by T. polymorpha 
Ett., I860.] 
Laramie and Livingston group : Bozeman coal field, Montana. 
