I. DISCOIDEt. 7. LECANORINI. 55 



§. 1. Thallo squamuloso i squamulis centralibus in crustam 

 areolatam confertis (Psoroma ^cA. meth. 181). 



1. Lecanora cervina (Licli. cervinus Pers. in Ach. 

 meth. 181). Thallus fascus, tartareus ; squamulis orbicu- 

 laribus , totis adnatis , sublobatis , solitariis , imbricatis vel 

 in cruslam rimoso-areolatam congestis. Apothecia primum 

 immersa , dein emergentia ; disco rufo-fusco , interdum 

 caesio-pruinoso. Spic. 428. 



et. glaucocarpa (Lich. glaucocarpns Wahlenb. in Ach. 

 melh. 182); thallo squamuloso, pallido; apotheciis scutel- 

 laribus, caesio-pruinosis. Spic. 429. N. Act. Stockh. XXVII. 

 (1806) t. 4. f. 4. — Ad saxa calcar. ; in alpib. helvel. 

 rara ; Schl ! prope Sewen Hegetschw ! prope Yisperthermen 

 in Valesia Schaer ; in Nordlandia Saltensi frequentem dicit 

 Sommf. 



^. castanea (Lich. castaneus Ram. in DC. fran(j. II. 

 371); thallo squamuloso, castaneo, nudo ; apotheciis patel- 

 laribus , nudis. Spic. 429. — Lich. squamulosus EB. 

 t. 2011. Lecan. halophaea. Ach! — Ad saxa calcaria 

 et tegulas lateritias in regiouibus campestribus et alpinis 

 frequens. 



a. discreta (Parm. squaniulosa ^. discreta Ach. meth. 

 suppl. 41); thalli squamulis discretis , solitariis Spic. 429. A. 

 Lecan. haloph. /2. aphoriza Ach ! 



b. contigua; thalli squamulis contiguis , saepe in crustam 

 rimoso-areolatam congestis. Spic.429.B. Exs.341. Lecan. 

 squamulosa et Urc. rufescens in coll. Salw ! 



c. smaragdula (Endocarpon smaragdulum W^ahlenb. 

 in Ach ! meth. suppl. 29) ; apotheciis thallo impressis. 

 Spic. 62, 350, 429 c. Exs. 117. EB. t. 1512. 



d. sinopica (Eudoc. sinopicum Walilenb. in Ach. meth. 

 suppl. 30); prior oxydata. Spic. 62, 350, 429 D. 

 Exs. 116. EB. t. 1776. 



e. scutellaris ; apotheciis supra thallum elevatis , 

 scutellaribus , Spic. 429 E. 



f. patellaris ; apotheciis supra thallum elevalis, patel- 

 laribus. Spic. 429 F. . 



