eT 
EF. Tuckerman on North American Lichens. 425 
Hab. Trunks, Louisiana, detected by the late Dr. J. Hale, to whom I 
b. Tr 
have been indebted for several interesting collections. The nus Pan- 
Tepresentative; excepting P. hypnorum, which, with Parm. phasing 
Mont. — ites ~s _ Psoroma, Vy. 
Vexis concretis passim sorediiferis, awe rian peo sessi- 
libus, disco nigro, margine thallode tumido integerr 
Hab. Granitic rocks, Massachusetts and Maine, xed ‘eietan’ to Har- — 
per’s ath Va. I have only seen it fertile from Vermont, Mr. Frost / 
DIUM EUGYRUM, sp. nova, thallo crustaceo adnato rimoso-areolato 
#Visidi-Futeo demum aurantio, ambitu radioso-plicato albo-pallescente ; 
apotheciis sessilibus, disco plano aurantio-rubro, margine proprio tenui 
a ot crenulato mox evanescente. 
Ha Lime-rocks, Texas, Mr. Wright / Agreeing = rte with P. 
circinatum, but of the lemon-colored series, and quite dist 
Lecanora t TEPHRASPIS, Sp. lo a, thallo crustaceo rive pineee 2 
areolis appressis rteivahatis dein ver umiciinanaaibs fusco-cinerastente, 
subtus albo ; apotheciis primitus emergentibus e rufo nigris demum pro- 
cane planis ma argine proprio tenui thal lodeque tumidulo cinctis. 
eesti i tbcndan Pa Brattleborough, Vermont, Rev. J. L. Russell and 
. ost / 
a Waicn sri, . nova, thallo e squamis discretis rotundatis lobatis cre- 
x suba atis levigatis viridi-luteis (subaurantiis) marginibus 
dlovatis pliiobs, subtus pallidis ; apotheciis sparsis emergentibus ad- 
= ag hallode crassiusculo rufo-fuseo evanescente discum demum 
— Subglobosum e rufo nigrum opacum cingente, intus albis. 
Hab, On the earth, in denudated places; prairies hills of the 
i ham! This 
lichendlor of our great utliwestaen per i 
ioc ON rh sp. nova, thallo e squamis diseot sessilibus peg 
assis subintegris margine depressis subrecurvis centro excavatis su 
fandibulien en rufo-fuscis (sepissime dealbatis) hypothallo eae 8 
Positis ; apotheciis marginalibus emergentibus sessilibus margine t 
erassiusculo subintegro fusco nitido demum evanescente discum convexum 
Sricantem Ibis. 
wate cin gente, intus alb 5, Texas Mr Wright! Ava 
Cape of Good Hope, Zeyher 
is subaggregatis TO- 
ie 
a a 
a 
