94! THE RARITAN FLORA. 



Fontaine, Potomac Fl., 243, pi. 118, f. i, 4; pi. up, f. 1-5, 



etc., 1889. 

 Lesq., Cret. Fl., 51, pi. i, f, lo-ioh, 1874; Fl. Dakota 



Group, 35, pi. 2, f. 4, 1892. 

 Hollick, Trans. N. Y. Acad. Sci., Vol. 12 : 30, pi. i, f. 18, 



1892; U. S. Geol. Surv. Mon. 50:42, pi. 2, f. 40; pi. 



3, f. 4, 5, 1907. 

 Nath, in Felix & Lenk, Beitr. Geol. u. Pal. Mexico, 2 Th. 



I hft., 1893. 

 Newberry, Fl. Amboy Clays, 49, pi. p, f. ip, 1896. 

 Berry, Bull. N. Y. Bot. Garden, vol. 3 : 59, pi. 48, f. 15-18, 



20, 1903; Bull. Torrey Club, vol. 31:69, pi. 4, f. 8, 



1904; Ibid., vol. 32:44, pi. ij f. 3, 1905; Ibid. 



33: 165, 1906. 

 Knowlton, Smith. Misc. Coll. vol. 4, pt. i : 126, pi. 12, f. 7, 



8, 1907; U. S. Geol. Surv. Mon. 32:657, 1899; Bull. 



U. S. Geol. Surv. No. 257:131, pi. 14, f. 3-5, 1905; 

 Sequoia Couttsiae Hollick, Trans. N. Y. Acad. Sci., vol. 12: 30, 



P^- i> f- 5 (non Heer). 



Description. — "S. ramis elongatis, foliis decurrentibus, patenti- 

 bus, falcatO'-incurvis, rigidis, acuminatis." Heer, 1868. 



This widespread Mesozoic species is not abundant in the Rari- 

 tan formation, being only recorded from the single locality of 

 Wo'odbridge, where it is not common. This relative rarity is 

 probably to be explained by local climatic conditions due to alti- 

 tude or tO' the character of the soil and its water content and 

 their effect upon relative humidity. Of course, such an expla- 

 nation is largely speculative. We do know, however, that Se- 

 quoia twigs are about the last fragments in floating vegetable 

 debris to disintegrate, and that their remains are found in de- 

 posits in which the associated vegetation is reduced to an un- 

 recognizable mass, so that it is safe to predicate that Sequoia 

 Reichenhachi did not grow near the place where the Raritan 

 sediments were being laid down and that such specimens as are 

 preserved were floated into the Raritan basin by streams, per- 

 haps from the uplands where they grew. In the succeeding 



