Parmelia. Placodium. 



193 



cepta, hanc potius varietatem Parmelis miniat^ 

 esse, quam propriam speciern, edo&us surn. 



PARMELlA^murorum; crusta plicato-rugosa ri- 

 mosa orbiculari virescenti-flava , ambitu radi- 

 oso - plicatd, lobis incisis concretis; scutellis 

 demum convexis subconcoIoribus 5 margine 

 dilutiorh 



Lichen murorum Lich. Pr. p. 101. Hoffm. 



Enum. L. p. 63. Lichen flavescens Hu DS. 



Scc Lich. flavicans Wither. Arr. 3. ^ 



Liclu candelaris WuLF, ap. Jacqu. Coll. 



3 L. parietinus Leers. Herborn. 



Icon. Hoffm. Plant. Lich. T. 17, f. 3. _ E~ 



num. L. T. 9. f, 2, 

 Habitat in saxis inprimis calcariis. 

 Obs. Crusta3 color variat rnagis flavus SC pallidus. 

 Scutellae junioies planae subconcolores margine fla- 

 vo; per aetatem convexaa fiunt congestae conglo- 

 merataa saturatius colorata? fulvo-subaurantiacae mar- 

 gine accessorio subconcolori I. obliterato. In spe- 

 ciminibus vetustis crustas lobuli evanescunt, apo- 

 theciis solis reli&is jam difformibus coaceivatis 8C 

 intra granuios superstites crustas obviis. — » Differt 

 a Parmelia eleganti colore crust», ambitu radioso- 

 plicato, lobulis concretis magis pulposis 8C brevi- 

 bus margineque scutellaiuin dilutiori , interdum 

 pallido 8C exalbido. 



/3. P. aurella: crusta subnulla; scutellis di- 

 spersis minutis flavicantibus , margine tenui 

 dilutiori, 



Verrucaria &. Patellaria aurella I^OFFM. Pl. 



Lich. 8c Fl. Germ. p. 197. 

 Icon, Hoffm. Plant, Lich. T. 50. f. Q. c. d, 

 Habitat ad rupes. 

 Obs. Granula dispersa crustam hujus constituunt 

 scutellis concolora. Pro varietate Parmdm vi- 

 tdlina a Cl. Hoipmanno habita, re&ius forsan 



lieiq 



