78 Lecidea. Lepidoma. 



84. LegiDEA scalaris : crusta dispersa imbricata 

 paliida, lobis reniformibus erecliusculis sub- 

 discretis subtus margineque pulverulentis; pa- 

 tellulis nigris. 



Lichen scalaris Lich. Pr. p. 95. _ Psora o- 

 streata Hoffm. Fl. Germ. p, 163. 



Xcon, Ach. Nov. Acl Ac. Sc, Stockh. V. 16. 

 T. 5 . f. 1. 



Habitat in cortice antiqua truncorum Pini 

 sylv. Sc ligno exarido JuniperK 



L. myrmecina; crusta granulato - imbricata 

 cinereo-fusca nigricante subnitida , lobis con- 

 fertissimis convexis irregularibus subtus mar- 

 gineque cinereo-pulverulentis ) patellulis atris. 



Lichen leucoph(Eus Lich. Pr. p. 98. DlCKS. 

 Cr. Br. q. p. (2 0. 



Icon. Dill. H. M T. 82. f. DanJ 

 T. 955. f. 2, 



Habitat ad saepimenta lignea igne combusta 

 adque rupes alp. terra tenui teclas. 



Obs. Tantum varietas Lecidea scalaridis aloco vel 

 fetate proveniens. Non dubito quin synonyma al- 

 lata ad hanc varietatem pertineant, licet apothecia 

 alba-marginata suo Licheni tribuat Dickson. For- 

 te lobos quosdam planiores pro apotheciis habuit, 

 nam patellulas veras semper rarissimas esse ob- 

 servavi. 



85. Lecidea vesicularis: crusta plicata subimbri- 

 cata nigra j lobis irregularibus convexis tumenti- 



bus 



