'414 Lesquereux's Descriptions of 
NEW SPECIES OF FOSSIL PLANTS, 
BY LEO LESQUEREUX. 
GEeNvus CALAMITES.  Brongt. 
1. CALAMITES BISTRIATUS (spec. nov.). Stem three inches 
broad, cylindrical; articulations about two inches distant ; ribs 
broad, nearly plane, narrowly striate, converging at the articu- 
lations ; tubercles very small and obsolete, inserted on the 
articulations. 
9. CarawrrEs pissunctus (spec. nov.). Stem cylindrical, 
one inch broad ; articulations about two inches distant, inflated 
and crossed by a depressed furrow ; ribs elevated, half cylin- 
drical, exactly parallel, narrow; surface covered with small 
elevated points ; tubercles very small, round. 
Genus ASTEROPHYLLITES. Brongt. 
3. ASTEROPHYLLITES cRasstcauLis (spec. nov.). Stem 
thick, articulated ; deeply striate ; articulations half an inch 
distant; leaves verticillate on the joints, linear, acute, single 
nerved ; tubercle or fruit obcordate, acute, attached to the 
stem in the axils of the leaves. 
4. ASTEROPHYLLITES OVALIS (spec. nov.). Differs from the 
former by its slender stem, slender furrows, the leaves more 
numerous, and the tubercles oval. : 
9. ASTEROPHYLLITES SUBLÆVIS (spec. nov.). Stem thick, 
nearly smooth, slightly undulate above and below the inflated 
joints, branching at the articulations; leaves verticillate, half 
open, shorter than the distance between the joints ; branches 
t and thick, with very short leaves. 
6. AsTEROPHYLLITES LANCEOLATA (spec. nov.) an olk 
nia major Gutb. 7). Differs from A. tuberculata (Lindl.) by 
-the leaves united half their length, and terminated in a lance- 
olate point. | ! 
_ 4. AsTEROPHYLLITES APERTA (spec. nov.). Stem scarcely 
