On the Lichens near New- York. T 



22. Ehrhartiana. Id. p. 47. Common on rocks. Crust car- 



tilaginous, greenish yellow, rough, granulated ; apo- 

 thecia pale yellowish. 

 var. (3. pohjtropa. Ibid. Crust subtartareous, tesse- 

 lated, pale; apothecia crowded. 



23. aurantiaca. Id. p. 50. Trunks and rotten wood. Crust 



smooth, whitish ; apothecia orange, convex, margin 

 lighter. 



§§ Crust foliaceous. 



24. demissa. Id. p. 50. On earth on rocks. Crust warty, 



subimbricated, lobed at the margin ; apothecia red- 

 dish, depressed. 



25. globifera. Id. p. 51. In the clefts and depressions on 



the surface of rocks. Crust imbricated, lobes detach- 

 ed, round, whitish underneath ; apothecia subglobose, 

 dark red. 



4. Calicium. 

 * Apothecia sessile. 



1. iigillare. Id. p. 55. Common on fences and old posts. 



This beautiful Lichen in habit nearly resembles a Le- 

 cidea, and is remarkable from the frond's first ap- 

 pearing in small yellow spots, upon which the black 

 apothecia are seated. The intervals between these af- 

 terwards fill up, and the whole crust becomes conti- 

 nuous. 



2. turbinatum. Id. p. 59. On bark, and parasitic on Par 



mebae, &ic. Crust whitish ; apothecia turbinate. 



3. stigonellum. Id. p. 56. Crust none; apothecia subglo- 



bose. 



** Apothecia stipitate. 



4. claviculare. Id. p. 57. Old fences and posts. Apothe- 



cia subglobose ; pedicles cylindric, thick. 



5. trachelinum /3. quercinum. Id. p. 58. Ibid. Crust 



ashy or none; apothecia turbinate ; pedicles filiform, 

 short. 



