Lichenes of New England. 445 
Schær.! 1. c., Gyrophora vellea, 8. spadochroa, Ach. 
Syn. (cit. Wallr.), Gyromium velleum £. spadochro- 
um, Wahlenb. Fl. Suec., Gyrophora hirsuta 5. spa- 
dochroa, Floerke, (cit. Wallr.) Lichen spadochrous, 
Ach. Prodr. — Alpine Rocks ; Franconia Mountains. 
The original Lichen velleus was a. plant of Lapland. 
. Acharius had seen but a single Lapland specimen 
when he wrote the descriptions of this and the allied 
species in. the “ Lichenographia.” In the Addenda 
to the * Lichenographia,” he says that «he has re- 
ceived very large specimens of G. spadochroa from 
North America; which, he thinks, may be what others 
had called G. vellea. Our plant is smaller than what 
is commonly taken for G. vellea, and appears - 
distinct: It occurred without — T 
. CETRA RIA PRESE thallo aibciirieinó expanso 
glabro viridi-flavescente, subtus fatis castaneo, la- 
ciniis plani t elevatis nigro- 
ciliatis demum pulverulentis ; ; peltis rufo-fuscis mar- 
gine integro. C. virescens, E. T. Further Enum. 
Lich. N. Eng. — On trees; mountain woods. White 
Mountains. Franconia Mountains. Green Moun- 
tains in Vt. ' Also Plainfield, Porter!. A description 
of this apparently new species from imperfect speci- 
mens, was given in my former article in this volume, 
and the specific name virescens proposed. ‘There 
being already a C. viridis of Schweinitz, and the ex- - 
amination of better specimens having made it neces- 
sary to alter considerably my description, I now ded- 
icate the species to my excellent friend William 
Oakes, Esq., of Ipswich ; to —-— it is the least 
57 
VOL. III. — NO. IV. 
