New Species of Fossil Coal Plants. 415 
half an inch broad ; articulations very near; leaves short, or 
obovate, united in their whole length ; whorls half open, not 
appressed on the stem. i 
Genus ANNULARIA. Sternb. 
8. ANNULARIA sPHENOPHYLLOIDES? Ung. Stem diffuse, 
articulated, marked with deep narrow furrows (narrowly stri- 
ate) ; leaves verticillate, 10 to 16, flat, obovate, oblong, very 
entire, either slightly emarginate or pointed. 
Genus SPHENOPHYLLUM. Brongt. 
9. SPHENOPHYLLUM riLICULME (spec. nov.). Stem very 
slender, threadlike ; leaves in whorls of six ; the lateral ones 
long, cuneate, deeply emarginate and crenulate ; inferior 
leaves much shorter and scarcely broader, of the same form. 
10. SPHENOPHYLLUM TRIFOLIATUM (spec.nov.). Stem thick, 
inflated at the joints, striate, leaves in whorls of three or four, 
deeply cut in three linear, acute divisions. 
Genus NCEGGERATHIA. Sternb. 
11. NGaaERATHIA OBTUSA (spec.nov.). Frond bipinnately 
branching ; pinne elongated, slightly undulate, pinnules 
attached to the rachis in a very acute angle; broad and 
long, obovate, rounded and lobed above ; narrowed below in 
a short, broad petiole ; nerves dichotomous and simple, parallel, 
distinct. 
12. N&caERATHIA MINOR (spec. nov.). Frond bipinnately 
branching ; pinnz long and straight, half open ; pinnules dis- 
tant, small, obliquely attached to the rachis, and slightly re- 
curved, cuneate, very obtuse above, narrowed below in a long 
Petiole; nerves very slender, scarcely distinct. 
13. Neeccerarara Bocksciasa Lesqx. ( Cyclopteris Bock- 
$chiana Gópp). Frond bitripinnately branching ; pinne trifo-- 
