LICHENES, 89 



b. cyrtaspisx crusta determinata rufescenti - o.clira- 

 cea, apotheciis fuscis, 



U* Acharii /5^ cyrtaspi^ Ach^ meth. p^ 151* 



tf;^/i, p. 137, 



£♦ cyrtaspis y^f/z» Zicft, wk. p» 397^ 



Lichen Acharii ^ cyrtaspis Whlbg>fl, lap, p. 40.1 



Lichen pnnctatus EngL bot, t. 450 ex Ach, 



/S. rhodopis: crusta subeifusa subtartarea iii£eqva- 



bili pulveraceaqve roseo-albida, madida intus au- 



rantiaca, apotheciis minutis immersis irregularibus 



immarginatisqve. 



b» melanopis: apotheciis superiicialibus submar- 



ginatis fuscis, 



c. depressa: crusta tenuiore subseqvabiH rimulosa 

 cinerascenti-pallida, apotheciis niinutis nigro-fuscis 

 eleyatis irregularibus dijco depresso* 



Sagedia depressa Ach, syn|. p. l34o 



Hab. €t in lapidibus rupibusqve qvarzosis fluminum 

 ct inferalpinorum et alpinorum Nordlandiai et 

 f iamarkisep fi in rupihus caleareis stillieidiis aqva- 

 rum madefactis Nordlandise inferalpinsae e» gr* 

 Saltdalen freqventer; /5. c, vero ibidem rarius. 



Meam £/. rhodopin cum U* Acharii Ach, modo 

 post iterata examina speciminuni perpluribus ioeis 

 lectorum nullos flnes determinatos stabilire per- 

 mittentium conjungOt Diiferentia imprimis in 

 crusta qvaerenda est. In var. ^. €fu*ta crassior 

 laxioris substantise, qvasi dissolutee particulae ru- 



;• pium calcariarnm subsfantiee crusJia iramixtfe erantj, 

 Qvia laxioris substantiee qvin etiam subpulveracea 

 est, marginem adeo regularem qvoqve efformare 



'. neqvit, qvam ob reni discus ilte ro5eus sobgela- 

 tinosus subnudus iri crusta nidulari videtiip, Par- 

 ficulse calcariae forsan qvoqve efficiunt, ut color 

 ochraceus crustie in superitcie omnino evanucrit, 

 fBt ad interiora repulsus sir. Modus idem, qva 

 aetate mutatur, formas b. b. proferens, eas qvoqve 

 cjusdepi speciei esse ostendit, nam formas: cyrtA' 

 9pis et melanopis nil est nisi var. «'. et /J",, ia 

 qvibus, et imprirai* ai locis proveniunt, ubi moda 

 sicca medo madefacta soli expojita sint, apothecia 

 siiagis elevata et obscurioris coloris aetate evaseriuto 



