396 THE WEST VIRGINIA FOSSIL FLORA 



(Schlotheim) Lesquereux "form." by D. White: Bull. Geol. 

 Soc. Am., vol. 6, 1895, p. 315. [Pottsville group ; Quinni- 

 mont formation.] 



This species is everywhere present in the upper part of 

 the lower Pottsville. 



MARIOPTERIS POTTSVILLEA VAR. The plant listed as Pseudopecop- 

 teris muricata form. D. White. 



Bull. Geol. Soc. Am., vol. 6, 1895, p. 317. [Pottsville 

 group; Sewell formation.] 



MARIOPTERIS INFLATA, (Newberry) D. White. 



Bull. Geol. Soc. Am., vol. n, 1900, p. 161. [Pottsville 

 group ; Kanawha formation.] 



MARIOPTERIS PYGMAEA D. White. 



Twentieth Ann. Kept. U. S. Geol. Surv., iSgS-'Qp, pt. 2, 

 1900, p. 876, pi. cxcii, figs. 2-6. D. White: Bull. Geol. Soc. 

 Am., vol. n, 1900, p. 162. [Pottsville group; Kanawha 

 formation.] 



MARIOPTERIS SILLIMANNI (Brongniart) D. White. 



Nineteenth Ann. Kept. U. S. Geol. Surv., 1897-1898 

 [1899], p. 479. D. White, Bull Geol. Soc. Am., vol. n, 1900, 

 p. 170. [Allegheny and Conemaugh formations.] 



MARIOPTERIS MURICATA (Schlotheim) Zeiller. 



Expl. Carte Geol. France, Paris, vol. 4, Atlas, 1878, pi. 

 clxvii, fig. 5; text 1879, p. 71. D. White, Bull. Geol. Soc. 

 Am., vol. n, 1900, p. 161. [Pottsville group; Kanawha 

 formation, and Nuttall sandstone lentil of Sewell formation.] 



MARIOPTERIS ACUTA (Brongniart) Zeiller. 



Bull. Soc. Geol. France (3), vol. 7, 1879, P- 9& Recorded 

 as Pseudopecopteris acuta (Brongniart) by Lesquereux: 

 Second Geol. Surv. Pa., Rept. Progr. P. (Coal. FL), vol. i, 

 1880, p. 215, pi. xxxvii, fig. 6. D. White, Bull. Geol. Soc. 

 Am., vol. 6, 1895, p. 318. [Pottsville group; Nuttall sand- 

 stone lentil of Sewell formation, and the Kanawha forma- 

 tion.] 



MARIOPTERIS ANDRAENA (v. Roehl.) D. White. 



Bull. Geol. Soc. Am., vol. n, 1900, p. 163 [Pottsville 

 group; Kanawha formation]. 



MARIOPTERIS LATIFOLIA (Brongniart) Zeiller? 



Mem. Soc. Geol. Nord, Lille, vol. i, No. 3, 1882, p. 5. 

 This is the Pseudopecopteris latifolia (Brong.) Lesq. form., 

 D. White: Bull. Geol. Soc. Am., vol. 6, 1895, P- 3*5- 

 [Pottsville group; Quinnimont formation and Kanawha 

 formation.] 



MARIOPTERIS cf. DIMORPHA (Lesquereux) D. White. This is the 

 Pseudopecopteris dimorpha Lesquereux : Second Geol. Surv. 

 Pa., Rept. Progr. P (Coal FL), vol. i, 1880, p. 201, pi. 



