DESCRIPTIONS OF SPECIES. 67 



Magnolia glaucoides Newberry? 



PL XIX, fig. 6; PI. XX, fig. 6. 



Magnolia glaucoides Newb., Mon. U. S. Geol. Survey, vol. 26 (Fl. Amboy Clays), 1895 (1896), p. 74, pi. 57, figs, 

 1-4; Hollick, Bull. Torrey Bot. Club, vol. 21, 1894, p. 60, pi. 175, figs. 1,7; Bull. Geol. Soc. Am., vol. 7. 

 1895, p. 13; Fifty-fifth Ann. Rept. New York State Mus., 1901 (1903), p. r50. 



It is unfortunate that in each of our specimens the upper part is missing, as this 

 part would probably serve to determine whether we should regard them as belong- 

 ing with this species or with M. Boulayana Lesq., a wilich apparently differs from 

 the former merely in having an acute instead of an obtuse apex. This specific dis- 

 tinction may not always hold good, however, as indicated by several specimens from 

 New Jersey in the Museum of the New York Botanical Garden, and in any critical 

 revision of the genus I am inclined to think that the two species would be united. 



Locality: Sea Cliff, Long Island. Collected by Gilbert Van Ingen. Specimens 

 in Mus. New York Bot. Gard. 



Magnolia alternans Heer. 



Magnolia alternans Heer, Nouv. Mem. Soc. Helv. Sci. Nat., vol. 22, No. 1 (Phyll. Cret. Nebr.), 1867, p. 20, 

 pi. 3, figs. 2-4; pi. 4, figs. i; 2; Pollard, Trans. New York Acad. Sci., vol. 13, 1894, p. 181. 



This species is listed by Pollard (loc. cit.) as occurring at Elm Point, Great Neck, 

 Long Island, but I have not seen the specimen. 



Magnolia Van Ingeni Hollick. 

 PI. XX, fig. 1. 

 Magnolia Van Ingeni Hollick, Bull. Torrey Bot. Club, vol. 21, 1894, p. 61, pi. 175, fig. 6 . 



This species, based upon a single specimen, the original figure of which is here 

 reproduced, is somewhat similar in appearance to M. glaucoides Newb., as may be 

 seen by comparing it with the figures of specimens so referred in this monograph on 

 PI. XIX, fig. 6, and PL XX, fig. 6, but the leaf is narrower, the base more rounded, 

 and the angle of nervation more obtuse. 



Locality: Sea Cliff, Long Island. Collected by Gilbert Van Ingen. Specimen 

 in Mus. New York Bot. Gard. 



Magnolia auriculata Newberry. 



PI. XIX, fig. 5; PI. XX, figs. 5, 8. 



Magnolia auriculata Newb., Mon. U. S. Geol. Survey, vol. 26 (Fl. Amboy Clays), 1895 (1896), p. 75, pl. 41, fig. 



13; pl. 58, figs. 1-11; Hollick, Bull. Torrey Bot. Club, vol. 21, 1894, p. 61, pl. 179, figs. 6, 7; Fifty-fifth 



Ann. Rept. New York State Mus., 1901 (1903), p. r49. 

 " Dicotyledonous leaf impression," Hitchcock, Geol. Massachusetts, vol. 2, 1841, p. 430, pl. 19, fig. 1 in part. 



The identity of our specimens with this exceedingly variable species is perhaps 

 open to question, although I have specimens from New Jersey, labeled by Doctor 



a Mon. U. S. Geol. Survey, vol. 17 (Fl. Dak. Gr.), 1892, p. 202, pl. 60, fig. 2; pl. 65, fig. 2. 



