some Lichens of New England. 101 
U. mutabilis, Ach. Lichenogr., U. verrucosa, Ibid., Scher. 
Spicil.— 8. Pertusaria, Fr. Thelotrema mammosum, Pers., 
Lichen glomeratus, Schleich., Porina glomerata, Ach., Pertu- 
saria, Scher., Endocarpon globulare, Sommerf. — Upon dead 
mosses and sticks; common throughout the alpine region of 
the White Mountains. “Species multis rationibus valde in- 
signis," remarks Fries, to whom we owe the complete de- 
termination and history of the plant, whieh the synonymes 
show to have been understood very differently by different 
botanists, 
Srerzocauton corallinum, Schreb., Laur. in Fries Lich. p. 
201. S. dactylophyllum, Floerk.!, S. Réssleri, Hochstett. 
(auct. Fr.) — Stones ; very fine in the Notch. * Podetia 
plurima in densum ciespitem basi conjuncta, et saxo innata." 
The species of this genus, continues Fries, differ very much 
as the Peltigerze, but are limited with more difficulty on ac- 
count of their protean habit. The scales of the present spe- 
“les are digitate, often much like the branches of Sphæro- 
phoron globiferus, 
S. paschale, (L.) Ach., Laur. in Fries Lich. p. 202.— 
stones, and on the ground, commonly in large sods or 
masses, from the alpine region to the Notch. “Plurima _ 
"eüa vulgo densissime stipata, (nec czespitoso-juneta ut in — 
Priori) sepe latas plagas saxorum occupant." Fr. 
8. condensatum, Hoffm., Laur. in Fries Lich. p. 203., S. con- 
stisidenm, S. pileatum, et S. Cereolus, Ach. (auct. Fr.) 
>. paschale, £, Wahl., S. Meissnerianum Floerk.! — Rocks, 
"ot Uncommon, from. near the subalpine region (on Cutler's 
bes to the Notch, rarely fertile. The lichen called S. Ce- 
reolus by Acharius, and figured in his Methodus, is what our 
ue lee It occurs also on the coast. - pe 
- Cenudatum, Floerk.! D. Lich. IV. p. 13., Laur. in Fries Lich. 
P. 204. Sommerf, Lapp. p. 196. 
2 Lich. 1. c= Rocks ; fron the alpine regions to the 
pe: ; not commonly fertile. It is not rare on other moun- 
