knowltox] TERTIARY PLANTS OF NORTH AMERICA. 135 
Liriodendron semialatum Lx. Bull. Mus. Coinp. Zool. Camb., vol. 
vii, p. 227, 1881 ; PL Dak. Gr., p. 201, pi. xxv, f. 2-4; pi. xxix, f. 3, 1892. 
Dakota group : Kansas. 
Liriodendron simplex Newby. = Liriodendropsis simplex + L. angusti- 
folia. 
Liriodendron Snowii Lx. Fl. Dak. Gr., p. 209, pi. xxix, f. 1, 2, 1892. 
Dakota group : Kansas. 
Liriodendron succedens Dn. Trans. Roy. Soc. Canada, vol. xi, see. 
iv, p. 62, pi. viii, f. 26, 1893 [1894]. 
Upper Cretaceous : Port McNeill, Vancouver Island. 
Liriodendron Wellington^ Lx. Fl. Dak. Gr., p. 208, pi. xxviii, f. 3, 
1892. 
Dakota group: Kansas. 
Liriodendron sp., Lx. Ann. Kept. IT. S. Geol. and Geogr. Surv. Terr., 
p. 298, 1871 [1872]. [Not afterwards referred to by author.] 
Laramie group!: Six miles above Spring Canyon, Montana. 
LIRIODENDROPIS Newberry. Fl. Amboy Clays, p. 82, 1895 [1896]. 
Liriodendropsis angustifolia Newby. Fl. Amboy Clays, p. 84, pi. 
liii,f.8, 1895 [1896 1. 
Liriodendron simplex Newby., in part. Bull. Torr. Bot. Club, vol. xiv, p. 6, 
pi. lxii, f. 4, 1887. 
Amboy clay : New Jersey. 
Cretaceous : Marthas Vineyard. 
Liriodendropsis simplex Newby. Fl. Amboy Clays, p. 83, pi. xix, f. 
2, 3; liii, f. 1-4, 7, 1895 [1896]. 
Liriodendron simplex Newby., in part. Bull. Torr. Bot. Club, vol. xiv, p. 6, 
pi. lxii, f. 2, 3, 1887. 
Amboy clay : Woodbridge, New Jersey. 
Cretaceous : Glen Cove, Long Island ; Marthas Vineyard. 
LIRIOPHYLLUM Lesquereux. Ann. Kept. TJ. S. Geol. and Geogr. 
Surv. Terr., p. 482, 1876 |1878]. 
Liriophyllum Beckwithii Lx. Ann. Eept. U. S. Geol. and Geogr. 
Surv. Terr., p. 482, 1876 [1878] ; Cret. and Tert, Fl., p. 70, pi. x, 1. J , 
1883; Fl. Dak. Gr., p. 210, 1892. 
Dakota group: Morrison, Colorado. 
Liriophyllum obcordatum Lx. Cret. and Tert. Fl., p. 77, 1883: Fl. 
Dak. Gr., p. 210, pi. xxviii, f, 7, 1892. 
Dakota group: Morrison, Colorado. 
Liriophyllum populoides Lx. Ann. Kept. U. S. Geol. and Geogr. 
Surv. Terr., p. 483, 1876 [1878]; Cret. and Tert. FL, p. 76, pi. xi, f. 1, 
2, 1883. 
Dakota group : Colorado and Kansas. 
Litsea = M alapoenna. 
Litssea carbonensis Ward=Malapoenna carbonensis. 
Litsea cretacea Lx.=Malapoenna cretacea. 
