New Species of Fossil Plants. 4 1 9 



pinnae short, linear, sessile on a thick, striate, round rachis, 

 pinnatifid ; pinnules oval, sessile, either separate or united in 

 the upper part of the pinnae ; terminal leaflet very small, oval ; 

 nerves thick, obsolete, bifurcate. 



30. Neuropteris Moorit (spec. nov.). Frond bipinnate ; 

 pinnae nearly opposite, half open ; pinnules alternate, ovate, 

 slightly acute, entire, sessile by their whole base, and some- 

 what contiguous ; nervules emerging either from the medial 

 nerve or from the rachis, furcate ; primary rachis thick, 

 smooth, winged by some pinnules of the same form attached 

 to it. 



31. Neuropteris adiantites (spec. nov.). Frond bipin- 

 nate ; pinnules nearly decurrent on a slender rachis, oval, 

 obtuse ; inferior pinnules decurrent on the primary rachis ; 

 nervules dichotomous, distinct. 



Genus ODONTOPTEKIS. Brongt. 



32. Odontopteris squamosa (spec. nov.). Frond tripin- 

 nate ; pinnae long, linear-lanceolate ; pinnules oblong, oval, 

 obtuse, the terminal one smaller, oval-lanceolate, acute ; 

 nervules thin, but very distinct, dichotomous, straight, parallel ; 

 surface of the leaflets ordinarily covered with a coat of scales? 



33. Odontopteris dubia (spec. nov.). Frond ? Pinnule 

 oval-lanceolate, entire on one side, cut on the other in three 

 lobes ; nervules slender, dichotomous, straight from a medial 

 nerve. (An species propria) ; perhaps only a leaflet of Odon- 

 topteris Sternbergii Gopp. 



Genus SPHENOPTEEIS. Brongt. 



34. Sphenopteris abbreviata (spec. nov.). Frond bipin- 

 nate ; pinnae alternate, open, short, linear-lanceolate ; pin- 

 nules alternate, sessile by the whole base, distinct, obliquely 

 ovate in outline, crenulate ; nerves pinnately forking, distinct. 



35. Sphenopteris intermedia (spec. nov.). Frond tri- 

 pinnatifid ; rachis smooth and slender, slightly striate ; second- 



