424 Scientific Intelligence. 
berg, M. ©. and U.C.; L. dilatatum Z. & H., M.C.; L.——, like 
tetragonum Gopt., L. C.; L. binerve Bunbury, M. Gs L. tumidum Bun- 
bury, ee er ' Brongt., M. C.; L. elegans "Brongt. M. C.; L, 
plumarium L.& H. M.C.; L. saben Sternb., M.C.; L. Haveotntl 
ernietiag M. a i clypeatum } Lsqz., M.C. and U. C.; L, aculeatum 
are "7, 
. Hatonta, ~~ ‘& H—A specimen probably — to this genus 
from Grand Lake, in the collection of C. F. Hart 
Leprpostrosus, Brongt.— Species. i Bs — L. & H, 
M.C.; L. squamosus, s.n., M.C.; L. longifolius, s. 2., M 
M. C. Acute trigonal leaves, inal: hye yi C. poe with 
obscure scales and remains of long leaves. L. trigonolepis Bunbury, 
M. C. 
LePIDoPHYLLUM, Brongt .— Species.—Lepidophyllum lanceolatum L. é 
H,, M. C. and U.C.; L. trinerve? L. & H., U.C.; L, majus? Brongt, 
2 ay, C. Broad ovate, short, pointed, one nerved, half 
an inch lo ong. L. intermedium L. en fe 
em Se and Lepid Danes including only parts of 
and Lepidophloios, are to be regarded as merely provi 
ae 
rates Se Tarpidutiinoe Senta s.n., M.C.; L. prominulus, & 
M. C,; L. Pano s. a, U. C. and M. G.; L. platystigma, .n.,M. Co; le 
tetragonus, s. ae 93 
birch Corda.— — Species.—Diplotegium retusum, s. ., M. C. 
Kworrta. —Nearly all the plants referred to this genus, in the a 
rous rocks, are, as Géppert has shown, imperfectly preserved stems 
Lepidodendron. In the Lower coal formation many such Knorria forms 
‘are afforded by Z. corrugatum. 
Species.—Knorria Sellonii Sternberg , M,C 
This appears different from the antes Ki norria. Its supposed leaves 
may be aerial roots. It _ a large pith cylinder with very ‘distant tabu 
lar floors, like Sternbergi ta 
Corparrss, Unger, (Pyenophyttam, Tg TE —Cordaites 
rassifolia Corda, M. C.; C. simplex, s. n., M. C, and U. C. C: 
‘Carpiocarrum, Brongt “8 species -Cardioearpum fluitans, s.m., M. oC. 
C. bisectatum, s.n., M. C.; C. like marginatum, M. C.; C. allied 4 
These Cardiocarpa ai are excessively abundant in the roofs of some © 
