New Species of Fossil Plants. 419 
pinnz short, linear, sessile on a thick, striate, round rachis, 
pinnatifid ; pinnules oval; sessile, either separate or united in 
the upper part of the pinnæ ; terminal leaflet very small, oval ; 
nerves thick, obsolete, bifurcate. 
30. Nevrorreris Moor (spec. nov.). Frond bipinnate ; 
pinnee 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. Nevropreris AprANTITES (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 ODONTOPTERIS. Brongt. 
32. ODONTOPTERIS squamosa (spec. nov.). Frond tripin- 
nate ; pinne 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. OnowToPTERIS 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 Göpp. 
Gexus SPHENOPTERIS. Brongt. 
34. SPHENOPTERIS ABBREVIATA (spec. nov.). Frond bipin- 
hate ; pinnæ alternate, open, short, linear-lanceolate ; pin- 
nules alternate, sessile by the whole base, distinct, obliquely 
9vate jn outline, crenulate ; nerves pinnately forking, distinct. 
j 35. SPHENOPTERIS INTERMEDIA (spec. nov.). Frond tri- 
Pinnatifid ; rachis smooth and slender, slightly striate ; second- 
