424 E. Tuckerman on North American Lichens. 
PARMELIA AURULENTA, sp. nova, thallo orbiculari submembranaceo 
levigato ruguloso sorediis submarginatis hic illic exasperato glaucescente, 
subtus atro nigro-fibrilloso, strato medullari pallide flavo, laciniis imbrica- 
tis sinuato-lobatis retusis; apotheciis sparsis disco planiuseulo badio mar- 
gine inflexo subintegro, 
ab. Rocks, Harper’s Ferry, Virginia. I have also specimens from 
trunks, South Carolina, Mr. Ravenel! and on rocks, Alabama, Hon. T. 
M. Peters! With much the look and lobation of that smooth state of 
P. saxatilis which was separated by Dr. Taylor as P. rugosa (Mackay Fi. 
Hib.) but differing remarkably in the color of the medullary layer. 
sulphurata, Vees and Fiot., Myers : a from Louisiana (Dr. Hale /) is 
of Bot., vi, p. 17 a in which the mek? layer is ince nD 
uncommon lic n New England, and extending to the mountains of 
Georgia, (Ravenel Ni is, in like manner, otherwise scarcely distinguishable 
from —? 
Pet Lap: nova, thallo foliaceo imbricato membranaceo molliusculo 
Reitiento rin rimoso pallide fuscescente, subtus nigro papillato laciniis sub- 
linearibus undulato-plicatis concretis convexis apice dilatatis ‘sinuato-lacin- 
iatis lacero-crenatis, passim sorediiferis ; apotheciis sparsis sessilibus badiis 
margine incurvo integro 
Hab. Thickets of the Blanco, Texas, Mr. Wright! Nearest to P. 
Borreri 8. rudecta (P. rudecta, Ach.) but distinct. The genie Parmelia 
is here taken in the sense of Dr. Nylander, as including only the Imbri- 
carie of Fries. The Swedish lichenographer indicated in great part — he 
did not separate as genera, the divisions of the former writer, whi 
eminently natural. 
Puyscia rupioca, sp. nova, thallo czspiticio molliusculo fragili orbieu- 
lari glabro fuscescente, laciniis tereti-compressis dichotomo-multi fidis im- 
is apice furcatis, subtus albo nudo; apotheciis sparsis (set 
telliformibus) sessilibus disco saturate fusco ane e plano demum convexo 
mMarginemque obtusum integrum excludent 
Hab. Shady rocks on the banks of ake Blanco hills, and cnasheny 
in Western Texas, Mr. Wright! The genus ‘Physcia, Nyl., inclu 
beside the well-marked tribe of Fries, also Parm. parietina, @ . ch 
pei and the last. peso of Evernia, Fr., of which E. flavicans is 
Sednatam demum superan I al 
Hab. On trunks silage common in the White Mountains, — Mee 
found it in Massachusetts. Also on rocks, Vermont, Jfr. Fros 
York, Herb. Ravenel ! iouae 
Panwaria Hare, sp. nova, thallo e squamulis + gs crenatis : 
catis stuppeis glaucis in crustam subcontiguam dein coacervatis, hypo 
u 
thallo crassiusculo nigro marginante ; apotheciis (isto ang spe nvext 
bus minusculis margine proprio tenuissimo discum 
rufo-fuscum ni nigrescen io crasso nigro impositum ci 
