6 On the Lichens near New-York. 



10. dolosa. Ach. Syn. p. 19. Trunks and fences. Crust 



pulverulent ; rusty gray ; apothecia convex. 



11. sanguinaria. Id. p. 19. Ibid. Rare. Apothecia in- 



ternally blood-red. 



12. sabuletorum (3. geochroa. Id. p. 20. Encrusting 



mosses in woods. Crust effuse, granulated, ashy. 



13. citrinella ? Id. p. 25. Old stone fences. Rare. Crust 



green ; apothecia small, black. 



** Apothecia black ; when moistened, broivnish. 



14. immersa. Id. p. 27. Common on hard rocks. Apo- 



thecia sunk into the surface of the stone upon which the 

 crust resides. 



*** Apothecia black, w-ith a gray bloom. 



15. albo ccerulescens. Id. p. 29. On rocks. Rare. Crust 



tartareous and cracked, whitish ; apothecia flat. 



16. corticola. Id. p. 32. Trunks and fences. Crust granu- 



lated, very white; apothecia small and subglobose. 

 **■## Apothecia with a fuscous or brownish colour. 



17. versicolor. Schivz. mss. Very common on smooth 



bark. Crust greenish, and bounded by a broad waving 

 black line ; apothecia small, greenish and other dark 

 colours, clustered and stellate to the naked eye. 

 IS. luteola. Ach. p. 41. Trunks and rocks. Crust thin, 

 grayish, with globular pale granules ; apothecia dirty 

 yellow. 



19. carneola. lb. p. 42. Trunks. Crust thin, gray ; apo- 



thecia sessile, thick, fleshy brown. 



***** Apothecia of various colours. 



20. coccinea. Schwz. mss. Common on trunks. Crust 



cinereous, and bordered by a black line ; apothecia 

 shining, convex, beautiful scarlet, whitish within. 



21. marmorea /3. cupulart3. Ach. % Syn. p. 46. On the 



earth in woods, among moss. 'Crust very thin, scarce- 

 ly distinguishable; apothecia urceolate, flesh-coloured. 

 A strongly marked, though minute species. 



