^52 PROCEEDINGS OF THE AMERICAN ACADEMY 



flesh-colored, finally falling out and the apothecia urceolate. Lecidea, 

 Ach. Syn. p. 42, Hook. Br. Fl. I. c. Biatora, Fr. Summ. Fl. Scand. 

 Scales of fir-bark, and on the earth. Pennsylvania, Muhl. 



10. B. sanguineo-atra, Fr. Cr. thin, membranaceous, effuse, whlt- 

 ish-cinerous, becoming granulose ; apoth. sanguineous, with an obscure 

 paler margin, at length black. Fr. Summ. Fl. Scand. B. vernalis, 

 /5. sanguineo-atra, Fr. Lichenogr. p. 263. 



Trunks and rocks, growing over mosses, in mountainous districts ; 

 New England. 



11. B. carneola, Fr. Cr. confused with the hypothallus, cartilagin- 

 eous-membranaceous, glaucescent, at length granulate-pulverulent ; 

 apoth. sessile, concave, naked, from reddish-flesh-colored becoming 

 fuscous, exciple cupular, with an elevated, at length evanescent, paler 

 margin. Fr. Licheiiogr. p. 264. Lecidea, Ach. 



Trunks ; New England. New York, Halsey. Apothecia somewhat 

 larger in my specimens than in the European Lichen. 



12. B. spadicea, Ach. (sub Lecid.). Cr. cartilagineous-membrana- 

 ceous, granulate, glaucescent ; apoth. thick, margin very finely rugu- 

 lose, at length somewhat' convex and excluding the margin, light-chest- 

 nut becoming blackish, within of the same color. Lecidea spadicea, 

 Ach. Si/n. p. 34. 



Trunks ; Pennsylvania, Muhl., Ach. Southward. Fries considers 

 this scarcely distinct from the last. (Lichenogr. p. 264.) 



13. B. cinnaharina, Sommerf. Cr. confused with the hypothallus, 

 cartilagineous, uneven, glaucous becoming whitish ; apoth. appressed, 

 cinnabar-red, naked, becoming at length convex, and immarginate. Fr. 

 Lichenogr. p. 266. Lecidea, Sommerf. Vet. Ac. Handl. 1823 (e Fr.). 



Trunks. Greenland, Fries. Lecidea coccinea, Schtvein. in Hals. 

 Lich. N. Y. I. c. 1824, which cannot, by the description, be distin- 

 guished from this, occurs in New York, Halsey, and appears to extend 

 to N. Carolina ! {Mr. Curtis). 



14. B. chlorantha, Tuckerm. Cr. of discrete, subsquamaceous-ver- 

 rucose granules, bright green, and white within (or deliquescent soredi- 

 iferous) ; apoth. somewhat elevated, becoming plane, and at length 

 convex, with a thick, flexuous, paler margin ; within white ; disk ni- 

 grescent. 



Bark of Pinus Strobus, and other trees ; New England. Resem- 



