LICIIENUM SICILIEiVSIUM AC INSULARUW ADIACEMIUW 



IIUCLSQUE DESCRIPTORU.n GE>'ERAJUXTA METHODUM 



NATURALE FRAN. TORlVABEiXE EXI'OMT. 



Classium Ordinum el Generum Charaderes 



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Clasm I. Lichenes Ihallo frondoso aut cruslaceo orbiculalo, 

 horizontaliter extenso, apolheciis sessilibus. 

 Ordo I. UjiBiiiCARiAE. Thallus frondosus, proslralus ; hypothallus nudu3 

 aut libriliosus, puncto central! arcte saxo aut ligno adna- 

 tus, supra umbilicatus- Apotbecia excipulo proprio donata 

 alro, orbiculala. Discus gyrose plicatus. 

 Genus I. Umbilicaria. k Thallus coriaceus aut carlilagineus 

 uinbilicato-aflixus peltatus, junior monophyllu?, adultior 

 lobalus ac compositus, horizonlalis. Apotbecia primitus 

 clausa, mox aperta, orbiculala, atra, libera. Discus rimo- 

 sus, aut saopius in gyros lirellasve dehiscentes abiens. 

 Species babet 2. 

 Varielales 0. 

 Ordo II. Endocarpeak. Tbalius froodosus, latcralKer, saxo adnatus bypo- 

 Iballus nudns. Apotbecia intra tbailum innata, pagina bypo- 

 tballina protuberantia. Discus gelatinosus, carneo-ruber, 

 tandem aterrimus. 

 Genus //. Endocarpok. « Thallus carlilagineus aut subcoriaceus; 

 subpellatus, per pedicellum saxo latoraliler a<lfixu3. Apo- 

 tbecia Iballo inclusa, globosa ; excipulo simplici membra- 

 naceo, osliolo indurato landcra elongato in pagina liypo- 

 tbaliina, protuberaate. Discus gelatinosus carueo-ruber, 

 tandem alcr. 

 Species habot 2. 

 Varietates 2. 

 Ordo ///.CoLiEMACEAE. Tballus foliaceus subcontinuus gelatinosus crispns, 

 intus nibus ; bypnlballtis fibrillosus, filirilli? saxo vdl cur- 

 lice alfixis. Apotbecia subsessilia, sculcllata, marginata, 

 nucico albido. Discus coloratus. 



