138 DESCItlPTION OF SPECIES. 



LASTR^A, Presl. 

 Lastraja (Goiiioptcris) interiiiertia, Lesqx. 

 " U. S. Geol. Kep.," vii, p. 5(i, pi. iv, fig. 14. 



PTERIS, Linn. 

 Ptei'is pseudo-pcu najforniis, Lesqx. 

 Ibid., p. G2, pi. iv, figs. 3, 4. 



DIPLAZIUM, Swartz. 

 Diplaziuiu Muelleri, Heer. 



Ibid., p. 55, pi. iv, figs. 10, 10«. 



LYGODIUM, Sw. 

 Lygr odium neiiropteroides, Lesqx. 



Ibid., p. 61, pi. V, figs. 4-7; vi, fig. 1. 



Li y g o d i II 111 D e n t o u i , Lesqx. 



Ibid., p. 63, pi. Ixv, figs, n, 13. 



PINUS, Linn. 



Pinus Florissauti, sp. nov. 



Plate XXI, Fig. 13. 



Strobile large, conical, 12 centimeters long or more, G ceutimeter.s in diameter at 

 tLe broken base; scales large, 4^ centimeters long, li broad; apophyses conical, trans- 

 versely rbomboidal when fiatteued. 



This fine cone is related to Pinus ponder osa, Douglas, a fine species of 

 California and New Mexico, by the large size of the scales, not or scarcely 

 enlarged under the apophyses. 



//«&.— Florissant. U. S. Geol. Expl. Dr. F. V. Hayden. 



Piiiu.s palujostrobus ?, Ett. 

 " U. S. Geol. Rep.," vii, p. 83, pi. vii, figs. 1^5, 31. 



SEQUOIA, Torr. 



Sequoia augustifolia, Lesqx. 

 Ibid, p. 77, pi. vii, figs. 6-10. 



Sequoia Langsdorlii, Brgb. 

 Ibid., p. 76. 



Sequoia Heerii, Lesqx. 



Ibid., p. 77, pi. vii, figs. 11-13. 



Sequoia al'l'iiiis, Lesqx. 

 Ibid., p. 75, pi. vii, figs. 3-5; Ixv, figs. 1-4. 



