knowlton.] TERTIARY PLANTS OF NORTH AMERICA. 63 
Celastrophyllum arcinerve Font. Potomac Fl., p. 304, pi. cxlvi, 
f. 3, 1889. 
Potomac formation : Fredericksburg, Virginia. 
Celastrophyllum Benedeni Sap. and Mar. Essai. Veg. Marnes Heers. 
Gelind., p. 67, pi. x, f. 6; pi. xii, f. 1, 2, 1874; Hollick, Bull. Torr. Bot. 
Club, vol. xxi, p. 58, pi. 177, f. 3, 4, 1894. 
Cretaceous : Glen Cove, Long Island. 
Celastrophyllum brittonianum Hollick in Newby. Fl. Amboy Clays, 
p. 105, pi. xliii, f. 37, 38, 46, 47, 1895 [1896]. 
Amboy clay : New Jersey. 
Celastrophyllum brookense Font. Potomac Fl., p. 305, pi. clviii, f. 
8; clix, f. 7, 1889. 
Potomac formation: Virginia. 
Celastrophyllum crenatum Heer. Fl. Foss. Arct., vol. vii, p. 41, pi. 
lxii, f. 21, 1883; Newby., Fl. Amboy Clays, p. 99, pi. xlviii, f. 1-19, 
1895 [1896]. 
Amboy clay : South Amboy, and Sayreville, New Jersey. 
Celastrophyllum crassipes Lx. Fl. Dak. Gr., p. 174, pi. lvii, f. 6, 7, 
1892. 
Dakota group : Kansas. 
Celastrophyllum cretaceum Lx. Fl. Dak. Gr., p. 173, pi. xxxviii, f. 
12-14, 1892 ; Newby., Fl. Amboy Clays, p. 100, pi. xlii, f. 13, 1895 [1896]. 
Dakota group: Kansas. 
Amboy clay : New Jersey. 
Celastrophyllum decurrens Lx. Fl. Dak. Gr., p. 172, pi. xxxvi, f. 1, 
1892. 
Dakota group : Kansas. 
Celastrophyllum denticulatum Font. Potomac Fl., p. 306, pi. clxix, 
f. 10; clxxii, f. 7, 1889. 
Potomac formation: Baltimore, Maryland. 
Celastrophyllum ensifolium Lx. Cret. Fl., p. 108, pi. xxi, f. 2, 3, 
1874. 
Magnolia ensifolia Lx. Ann. Kept. U. S. Geol. and Geogr. Surv. Terr., p. 302, 
1871 [1872]. 
Dakota group : Southern Kansas. 
Celastrophyllum grandifolium Newby. Fl. Amboy Clays, p. 104, pi. 
xix, f. 8; xxi, f. 1-4, 1895 [1896]. 
Amboy clay : New Jersey. 
Celastrophyllum Hunteri Ward. Fifteenth Ann. Rept. IT. S. Geol. 
Surv., p. 358, pi. iv, f. 9, 1895. 
Potomac formation : Mount Vernon, Virginia. 
Celastrophyllum latifolium Font. Potomac Fl., p. 306, pi. clxxii, f. 
3,6; clxxiii, f. 13, 1889. 
Potomac formation : Baltimore, Maryland. 
Celastrophyllum minus Hollick in Newby. Fl. Amboy Clays, p. 105, 
pi. xlii, f. 51, 52, 1895 [1896]. 
Amboy clay: New Jersey. 
