knowlton.] TERTIARY PLANTS OF NORTH AMERICA. 243 
Widdringtonia linguasfolia Lx. Cret. and Tert. Fl., p. 139, pi. xxi, f. 
14, 14a, 1883. 
Glyptostrobus europseu-s (Brougn.) Heer. PI. Tert. Helv., vol. i, p. 51, pi. 
xix ; xx, 1855 ; Tert. PL, p. 74, pi. vii, f. 1, 2, 1878. 
Green Eiver group : Florissant, Colorado. 
WIDDRINGTONITES Endlicher. Synop, Conif., p. 271, 1847. 
Widdringtonites Reichii (Ett.) Heer. Fl. Foss. Arct., vol. vi, abt. ii, 
p. 51, pi. xxviii, f. 5, 1882; Newby., Fl. Amboy Clays, p. 57, pi. viii, f. 
1-5, 1895 [1896]. 
Freuelites Reichii Ett. Kreidefl. v. Niedersck., p. 246, pi. i, f. lOa-lOc, 18 — . 
Ainboy clay : New Jersey. 
Widdringtonites subtilis Heer. Fl. Foss. Arct., vol. iii, abt. ii, p. 101, 
pi. xxviii, f. 1, 1&, 1874; Newby., Fl. Amboy Clays, p. 57, pi. x, f. 2-4, 
1895 [1896J. 
Amboy clay : Woodbridge and South Amboy, New Jersey. 
Cretaceous : Marthas Vineyard. 
WILLIAMS ONI A Carruthers. Trans. Linn. Soc. London, vol. xxvi, 
p. 080, 1868. 
Williamsonia elocata Lx. Fl. Dak. Gr., p. 87, pi. ii, f. 9, 9a, 1892. 
Dakota group : Kansas. 
Williamsonia problematica (Newby.) Ward=Pala3anthus problemat- 
icus. 
Williamsonia recentior Dn. Trans. Eoy. Soc. Canada, vol. iii, sec. 
iv, p. 12, pi. iv, f. 1, 1885 [1886]. 
Mill Creek series : Mill Creek. 
Williamsonia? Riesii Hollick. Trans. N. Y. Acad. Sci., vol. xii, p. 37, 
pi. i, f. 2, 3, 1892. 
Cretaceous : Staten Island. 
Williamsonia Smockii Newby. Fl. Amboy Clays, p. 127, pi. xxxvi, 
f. 1-8, 1895 [1896]. 
Amboy clay, New Jersey. 
Williamsonia texana Font. Proc. U. S. Nat. Mus. ? vol. xvi, p. 278, 
pi. xliii, f. 1, 2, 1893. 
Trinity division: Glen rose, Texas. 
Williamsonia virginiensis Font. Potomac FL, p. 273, pi. cxxxiii, f. 
5-7 ; clxv, f. 5, 1889. 
Potomac formation: Trents Beach and near Dutch Gap Canal, Vir- 
ginia. 
Williamsonia? sp., Dn. Trans. Roy. Soc. Canada, vol. x, sec. iv, p. 
87, 1892 [1893]. 
Kootanie: Anthracite, British Columbia. 
WINCHELLIA Lesquereux. Am. Geol., vol. xii, p. 209, 1893. 
Winchellia triphylla Lx. Am. Geol., vol. xii, no. 4, p. 209, pi. viii, 
1893. 
Cretaceous: Yellowstone, near mouth of Powder Eiver, Montana. 
