Lichenes of New England. 305 
Manchester, Essex Co., Oakes! Several varieties 
occur. 
C. cariosa, Sheen, Id es ‘Spreng. leu Cenomyce 
cariosa, Ach. Syn. (cit. Scher.), Muhl. 1l. c., Torr. 1. 
c., Hals. l. c., Beomyces cariosus; Ach. Meth.. Lich- 
en cariosus, Ach. Prodr. — Barren soils. A small 
dwarfed form is common. ` Cambridge, &c. 
Pycnoruenia. This genus was proposed by Du- - 
four to include an anomalous lichen, which had been 
originally referred by Acharius to a section of his ge- 
nus Beomyces, and, when this.genus was divided; to. - 
Cenomyce. Hoffmann and Sprengel have ‘retained 
it among their Cladoniz,; but Hooker confirms the ar- 
rangement of Dufour. “ There is something,” says 
that learned author, “ in its habit so different from 
the other Cladoniz, that I do not well see how it can 
be united either with Cladonia - -or ey phophers. sd 
(Br. EL II. 241.) . 
P. Papillaria, Hook. 1. c., Cladonia Páplllria, 
Hoffm., Spreng. l. c., Cenomyce. Papillaria, Ach. 
‘Syn., Beomyces Papillaria, Ach. Meth., Lichen Pa- 
pillaria, Ehrh., Ach. "Prodr.— On the ground ; (bar- 
ren soil, recently formed by the disintegration of the 
mica-slate; and composed very much of fi ents of 
rock,) in the alpine regions of the White Moun- 
tains. This is quite small; and I observed it only: o on 
the peculiar soil above described. 
P. scolecina : ^ thallo crusteformi, granulato-lobato; 
podetiis cylindraceo-ventricosis, granulatis, simplici- 
bus, albo-cinerascentibus ; cephalodiis terminalibus, 
solitariis, rufo-fuscis." Ach. Beomyces scolecinus, Ach. 
VOL. III. — NO. III. 39 
