PARMELIA. Psoroma, ttfi 

 Habitat ad saxa. Obs. AnLecideas species? 



47. PARMELIA unicolor i crusta verrucosa iiavi; 

 scutellis concoloribus marginatis- immargina- 

 tisque. f 



Lichen unicolor Lich. Pr. p. 71« Lich. fimus 



Bellakdi App. Fi. Peclern. 

 Habitat in saxis. Qhs. An speties iiistln£b? 



* 2. PsoroMA. Thallus xruMace-ris ejfigurcs- 

 tus totus squamoso -irnbricatus, 



|(Psora Hall.Hof£M. Lobaria; 6- Squam^- 

 \ riae Spec. Kqffm. 



48- Parmelia squamulosa: crusta imbnceta rimo- 

 sa glabra cinereo-fuscescente, areolis angula- 

 to-sublobatis ; scuteilis immersis ,demaffi ele- 

 vatis planiusculis marginatis fusco -rukscen- 



■ tibus, • r . 'y . 

 Lichen squamulosus Lich. Pr. p. 230.^ Schrad* 



Er. Sami. n. 153. J.oran. d. Bot. jgoi.St. • 



1. p. 75. Lichen cervinus pERSOON (se- 



cund. exempl. niiss.) _ Lichcn hadias Lkh* 

 Pr. p. 67. (exclusis synonymis.) 

 Habitat in rupibus, saxis 8c muris eakariis, 



Obs. In junioii Lichene sciVteliarum cUscus im- 

 mersus concaviuscnius. Scutellse vetu.stiores ele- 



■ vata?. Crusta effusa gc ssepiias frustulat-jin riispersa 

 areolata, areolis iiinc illinc imbncatis snbiobatis. 

 Si Scutellse constanter urceolatse nec per ifctatem 

 elevats 8c margine Jibero accessorio fpjsditas es- 

 sent, acl Urceolarias referri posset baecce species; 

 sed crusta etiam a reliquis Urceolariis riiversa. 

 Specirnina tam a CI. Schrader quam Persoon 

 accepta examini subjeci, 8C hinc didici Lich. cervU 

 num Hujus specie non distin&um . esse ab Illius, 

 quamvis crustae color magis cervinus 8C criista ipsa 

 rimosa laevigata vix imbiicata, sed tantum in am- 



