Verrugaria. 



113 



GENUS X. 



VERRUCARIA. wigg. 



{Pers. Schrad.. Sphaeriae Spec. Web. EhrhJ 

 Weig. Pers. Bernh. ] 



Character Naturalis. 



APOTH. Tuberculum subrotundo-conoideum e Spo- 

 ris concatenatis, in Nucleum Perisporio 

 obduftum congestis, compositum, ni- 

 grum, infra crustam excrescens, eam e- 

 levans vel denuo penetrans, eaque ad ba- 

 sin plerumque cinflum, vel etiam (pree- 

 sertim in prima aetate) supra omnino te- 

 £lum, ad superficiem thalli protuberans 

 hemisphaericum subglobosum obtusum vel 

 conoideum & papillatum, poro utpluri- 

 mum apice dehiscens, non raro totum e- 

 labens foveolamque relinquens. 



(ThALLUS crustaceus tenuis membranaceus conti- 

 guus lsevigatus effusus uniformis, rarius le- 

 prosus &, pulverulentus.) 



L 5 Species. 



Verrucari^ Sphaeriis quibusdarn simillima3. His 

 vero thallus nullus nec Sporae concatenatae , neque pror- 

 sus eadem est Tuberculorum 8C Sphaerularum conibr- 

 matio 8C substantia interior. (Cfr. Persoon Synops. 

 Meth. Fung.). Ab Endocarpis in primis difTerunt Ver- 

 rucaria. Tuberculorum situ 8C absentia Thecarum. 



Obs. Lichen eutypus (Spharia operculata Pers.) 8c 

 Lich. hyloicus Lich. Sv. Prodr. p. 14 8c 16, rectius for- 

 te inter Sphaerias collocantur. 



