436 Systematic Paleontology 



Sequoia gracilis Fontaine, 1890. loc. cit. (non 1899), p. 247, pi. cxxvi, figs. 



3, 4. 

 Sphenolepidium Sternhergianum densifolium Fontaine, 1893, Proc. U. S. 



Natl. Mus., vol. xvi, p. 268, pi. xxxvi, fig. 10. 

 SpJienolepidium Sterniergianum Saporta, 1894, Fl. Foss. Port, pp. 114, 139, 



193, pi. xxii, figs. 1, 2; pi. xxvii, fig. 14; pi. xxxiii, fig. 13. 

 SpJienolepidium Sternhergianum Seward, 1895, Wealden FL, pt. ii, p. 205, 



pi. xvi, figs. 4-6. 

 Sphenolepidium Sternhergianum Ward, 1895, 15tli Ann. Rept. U. S. Geo!. 



Surv., p. 359, pi. iii, fig. 1. 

 SpJienolepidium Sternbergianum Fontaine, 1906, in Ward, Mon. U. S. Geol. 



Surv., vol. xlviii, 1905, p. 264, pi. Ixix, fig. 7. 

 SpJienolepidium Sternbergianum densifolium Fontaine, 1906, in Ward, loc. 



cit., vol. xlviii, 1905, pp. 480, 481, 484, 486, 491, 507, 511, 515, 524, 528, 



544, 546, 555, 573, pi. cix, figs. 8, 9; pi. cxii, figs. 1, 10 (non fig. 11 



which is referred to ArtJirotaxopsis expansa Font.) ; pi. cxv, fig. 1. 

 Sequoia gracilis Knowlton, 1907, Smith. Misc. Coll., vol. iv, pt. i, p. 126. 

 Sequoia gracilis ? Hollick, 1907, Mon. U. S. Geol. Surv., vol. 1, p. 43, pi. iii, 



fig. 14. 

 SpJienolepidium Sternhergianum Knowlton, 1908, in Diller, Bull. Geol. Soc. 



Am., vol. xix, p. 386. 

 SpJienolepis Sternhergiana Berry, 1911, Proc. U. S. Natl. Mus., vol. xl, p. 293. 



Description. — "Muscites caule virgato subflexuoso, foliis bifariis 

 imbricatis patentibus ovatolanceolatis subfalcatis." — Dunker, 1846. 



The branches are somewhat more remote than in SpJienolepis 

 Kurriana, with relatively shorter twigs. Leaves ovate, decnrrent, keeled, 

 with a broad base and acuminate apex, often divergent and falcate, in 

 other specimens appressed. In general the leaves are much more 

 crowded and divergent than in the preceding species. Cones not collected 

 in connection with the American material except in the case of some 

 poorly preserved specimens from Mt. Vernon figured by Ward (1895 

 loc. cit.) which may be immature, although they suggest the preceding 

 species rather than this one. Cones are described by Schenk from the 

 German Wealden and are also figured by Seward from the English 

 Wealden. The cones are small, oblate-spheroidal in shape, with few, 

 stout, truncated scales which become more or less divergent with 

 maturity. Ward {loc. cit.) reports specimens of the foliage of this 

 species with attached staminate catkins similar to those described by 

 Fontaine as " Male aments " from various Virginia localities, where 

 they were not attached to recognizable twigs. 



