New Species of Fossil Plants. 425 
above the leaflets ; medial nerve strong at the base ; nervules 
once forking, 
Genus CREMATOPTERIS. W. P. Schimper. 
64. CnEMATOPTERIS? PENNSYLVANICA (spec. nov.). Rachis 
very thick, round, nearly smooth, or irregularly striate; pin- 
nules short, linear oval, distant, sessile on the broad rachis, 
slightly attenuated at the base; nerves entirely obsolete or 
none. 
Genus SCOLOPENDRITES. Lesqx. 
Frond simple, lanceolate, large, deeply, irregularly toothed ; 
„medial nerves very slender; nervules thin, pinnately branch- 
ing from the medial nerve, nearly straight and scarcely arched, 
undulate, very distant, one eighth of an inch and more, fork- 
Ing twice. 
65. SCOLOPENDRITES GROSSE-DENTATA (spec. nov.). Spe- 
cific characters the same as above. 
Genus CAULOPTERIS. Lindl. and Hutt. 
66. CavLopreris PUNCTATA (spec. nov.). Scars oval ob- 
tuse, about two inches long, distant, with a broad smooth 
margin; fascicle of vessels simple, oval, curved above in two 
Converging horns; intervals between the scars dotted with 
the base of small rootlets ? | 
67. Cavtopreris cicanrea (spec. nov.). Differs 
the former by the large size of the scars, its entirely smooth 
Surface, and the divergence of the horns. 
Gexus STIGMARIA. 
68. SriewAmrA costara (spec. nov.). Like Stigmaria ana- 
bathra ; differs by the nearly regular, strong and elevated ribs 
Which separate the rows of scars placed in a regular, nearly 
Spiral order, —— A 
_JUURNAL B.S. N.H. —— 55 AUGUST, 1854. 
