centib.; excipulo marginanle v. O: — Trachylla^ Calyciumi 

 Conlocjhe. 



b. Sphcerophoreoe: thallo in podetia coralloidea ramo- 

 sissima abeunte; apolhecia terminalia, excipulo thallode , 

 hypolhecio conico v. deplanato, lamina pulverulenta, nigra: — 

 Sphocrophoron » Siphula, 



c. Lecideece: thallo crustac, v. squamuloso - fohaceo ; 

 apolheciis subsessihb. v. bracliypodis; hypothecio subgloboso, 

 lamina sporigera (hymenina) durabih obducto ; excipulo 

 proprio marginante v. nullo: — Lecidea, Patellaria {Biatord)^ 

 BcE07njces, 



d. Cladonieoe : thallus crust. v. squamul. - fohaceus ; 

 podetia elongata, fistulosa v. sohda, simphcia, scyphifera v, 

 ramosissima; apothecia terminal., hypothecio convexo, lamina 

 durabih, excip. proprio v. nuUo: — Cenomjce, Cladonia, 

 Stereocaulon. 



FAM. 8 PAUMELIACEiE nob. {Jpotheciopsorae 'R.chh). 



Lichenes ad saxa, terram v. arbores oriundi,minutiv.maximf. 

 Thallus crust., granulosus v. membranaceus , adnatus v. 

 adscend. et soepius discolor — v. fruticulosus, cortice et me- 

 dulla distinctis. Apothecia prim. clausa , dein scutellaria v. 

 urceolaria, hypothecio simpl. v. duphci, excipulo thallode -<j , 



laminam ascigeram, -i crassam velante v. marginante, 



rarius evanido : 



a. Collemeos: thallus gelatinosus, similaris, membrana- 

 ceus V. in elementa sua (filamenta, granula) dissolutus; apo- 

 thecia sphaerica nuda v. scutellaria, excip. thallode confuso -< 

 V. proprio : — Micarea, Ephehcy Collema, Leptogiwn, 



b. Parmelicce: thall. crust. adnat. v. membranac, ho- 

 rizontalis v. adscend. et discolor ; excipulum thallodes pri- 

 mitus connivens , dein cupulare , marginans , brachypodum, 

 hypothecio et ascis perfectis -< : — Gyalecta, Dirina, Par- 

 melia, Sticta, Peltigcra (Peltidea). 



