796 SYSTEMATIC PALEONTOLOGY 



have not been found in organic union with the leafy twigs in the American 

 material, attached cones of this type have been found by the writer * in the 

 closely related species Widdringtonites subtilis Heer. 



Widdringtonites reichii is closely allied to and descended from, if not 

 identical with, a common conifer of the Patapsco formation of Maryland 

 and Virginia described by the writer 2 as Widdringtonites ramosus, and 

 based upon Taxodium ramosum and various other species of Professor Fon- 

 taine's Flora of the Potomac Group. 



Occurrence. MAGOTHY FORMATION. Deep Cut, Delaware; Grove 

 Point, Cecil County; Round Bay, Anne Arundel County, Maryland. 



Collections. Maryland Geological Survey, U. S. National Museum. 



. Family INCERTAE 



Genus PROTOPHYLLOCLADUS Berry 

 [Bull. Torrey Club, vol. xxx, 1903, p. 440] 



PROTOPHYLLOCLADUS SUBINTEGRIFOLIUS (Lesquereux) Berry (?) 

 Plate LVI, Fig. 2 



Phyllocladus subintegrifolius Lesquereux, 1868, Amer. Jour. Sci., vol. xlvi, 



p. 92. 



Phyllocladus subintegrifolius Lesquereux, 1874, Cret. Fl., p. 54, pi. i, fig. 12. 

 Thinnfeldia lesquereuxiana Heer, 1882, Fl. Foss. Arct, Bd. vi, Ab. ii, p. 37, 



pi. xliv, figs. 9, 10; pi. xlvi, figs. 11, 12a, 12b. 

 Phyllocladus subintegrifolius Lesquereux, 1892, Mon. U. S. Geol. Survey, 



vol. xvii, p. 34, pi. ii, figs. 1-3. 

 Thinnfeldia lesquereuxiana Hollick, 1892, Trans. N. Y. Acad. Sci., vol. xi, 



p. 98, pi. iii, fig. 6. 

 Thinnfeldia lesquereuxiana Newberry, 1896, Mon. U. S. Geol. Survey, vol. 



xxvi, p. 59, pi. xi, figs. 1-17. 

 Thinnfeldia subintegrifolia Knowlton, 1898, Bull. U. S. Geol. Survey, No. 



152, p. 228. 

 Protophyllocladus subintegrifolius Berry, 1903, Bull. Torrey Bot. Club, vol. 



xxx, p. 440. 

 Protophyllocladus subintegrifolius Berry, 1904, Ibidem, vol. xxxi, p. 69, pi. 



i, fig. 5. 

 Protophyllocladus subintegrifolius Berry, 1907, Johns Hopkins Univ. Circ., 



n. s., No. 7, pp. 89-91, fig. 6. 



1 Berry, Bull. Torrey Bot. Club, vol. xxxix, pp. 341-348, pi. xxiv, 1912. 



* Berry, Md. Geol. Survey, Lower Cretaceous, p. 428, pi. Ixxiii, figs. 1-6, 1911. 



