274 - Scientific Intelligence. 
stratum containing the fossil ferns is about twenty feet thick 5 
and above it are two beds of coal, each about fifteen inches. These 
tion © oould:'i bebe of the same a are several specimens 
which I can a refer a the Glossopteris Phillippsii, = Preset te 
an oolitic fossil ; and this alone, with the general character of the 
species, and the absence of the large stems so common in val rs md 
riod, iad led me to er them to the oolitic aria _I conceive, — w- 
ological character of the mass is not reliable eviden Stull, viewed 
in whatever light we Lahr these fossil ferns must, * conceive, be re- 
gardéed-as mostly of new species, and in this respect form a very im- 
addition to die flora of the more modern geological periods. 
f SOD! f Ill. Borany anp Zoo oey. 
hi The Sineevnts afi some New Genera and Species of Composité 
from Texas ery ois (from the Proc. of the Amer. Acad. 
of Arts and a stare j 
» Genus LinpHEIMERA, — op — Pl. Lindh. ined, . (Secio- 
nidew-Melampodinee. 
Capitulum multiflorum monoicum; fl. radii 4-5 ligulatis, amine 
ad_axillas squamarum. invol. interiorum sitis ; fl. disci oy 20 tu 
losis,.. sterilibus.’ _Involucrum duplex, exterius e squa s 4-5. lax 3 
linearibus foliaceis, interius totidem membranaceo- folinceis eer pla- 
nis disco longioribus.. Recapinaulun planum, paleis chartaceis ovariis 
oe 
par 
4 
sierilibus amplectentibus onustum, .binis exterioribus basi cujusque 
squam. inter. invol. ners persistentibus. Ligula ovales, breviler 
tubulate, involucrum uperantes : Sapolle: disci 4-5-dentata. _ Styli 
fl, ster. fili formes, indivisi, rhiapidh Achzenia radii ovalia, obcompres- 
so-plana, marginato-alata, intus subcarinata, carina apice in deniem 
parvum reflexum producta. alia: in pappum 2-dentatuin, extensis; disci 
abortivi.-—Herba erecta, scabro-hispida, forte biennis ; caule dichotomo 5 
pedunculis subeymoso-paniculatis gracilibus monocephalis ; foliis imis 
alternis, ceteris oppositis sessilibus oblongo-ovatis basi dentatis, sum- 
mis oe aa 3 glandulis patelliformibus conspersis. Flores aurel. 
. Tex is cl a8, 
i a eximium, Berlandiers. et Engelmannice cogna- 
, diximus in honorem na acerrimi inventoris qui foram Texan am 
ee indagavit. 
Genus Barrat 4. Gray 5 Engeliss, PL. Lindh. ined. (Senecioni- 
fist Gitnnbbes-Euhelisnihor -) 
Capitulum multifloram heterogamum ; fl, nil Tigulatis (circ. 
neutris, disci tubulosis hermaphroditis. Involucrum imbricatum triseri- 
ale, squamis janceolntie apice | porta disco brewigsthie. Rec rien 2 
