I. DISCOIDEI. 5. UMBILICARII. 23 



ord. 31. — Ad terram in sylvis campeslribus et in sum- 

 mis alpibus per omn, Europ. 



b. laelevirens (Endocarpon laetevirens Turn. in Ach. 

 univ. 300, sub Endoc. viridi); thallo microphyllino , 

 squamuloso , squamulis minutis , orbicularibus , aggregatis , 

 apotheciorum initiis impresso-punctalis Spic. 13, obs. Fr ! 

 exs. 36. Verrucaria laete-virens Borr. in EB. Suppl. 

 l. 2658. — Inter muscos cum priore. 



jS. limbata (Lecan. limbata Sommf. Suppl. Fl. lapp. 

 p. 105. tab. 3); thallo microphyllino, squamuloso, squamulis 

 arcte imbricalis ; apotheciis thalli squamulis multo amplioribus, 

 badiis , urceolatis , limbo thallodeo lato , supra thallum 

 elevalo, inlerdum squamuloso. — Ad terram in sylva Brem- 

 garten prope Bernam ; Schaer. in Lappon. Sommf. 



OrdoV. UMBrLICARII. rAa/;«sfrondosus,proslratus, 

 subtus fibrillosus aut nudus , solo puncto centrali supra reticu- 

 lato-rugoso arcte adnalus, monophyllus, lobatus aut polyphyl- 

 lus et imbricato-Iobatus. Apothecium constanter alrum : 

 excipulum proprium , carbonaceum , orbiculatum , margina- 

 tum; thalamium normaliter prolificatione varie plicatum , 

 plicis , rupto tandem excipuli margine , in lirellas aggregatas 

 solutis , rarius aequabile vel papillatum. 



Gen. X. UMBILICARIA (Hoffra. pl. lich. I. p. 9). 

 Spic. 80. 263. 



1. Umbelicaria vellea (Lich. velleus. Linn. sp. 1617). 

 Thallus supra incano-pruinosus, tandem aeneo-fuscus, humectus 

 glaucus , subtus ex ochroleuco fuscus vel niger , papillosus 

 vel hirsutus. Apothecia opaca, sessilia, adpressa vel depressa ; 

 disco primum papillato , dein concentrice plicato , excipuli 

 margine tenui vel crasso. 



ct. hirsuta (Lich. hirsutus Sw ! in N. Act. Stockh. 1794 

 p. 97. t. 3. f. 1); thallo subtus ochroleuco vel fusco , 

 papillato vel hersuto ; apotheciis adpressis vel sessilibus , 

 adultioribus convexis, excipuli margine tenui: Fr ! exs. 131. 

 Moug. etNestll exs. 344. — Locis ventosis, apricis, cam- 

 pestribus et alpestribus Sueciae Fr! Vogesorum (Hohneck) 

 Mougl in Pyrenaeis edit. Philippe ! in orient. Canigou, Schaer. 

 Silesia Fw ! Lapponia Hiibener ! Terra nova Despreaux ! 



^. depressa (Umb. depressa Schrad. in Ach. univ, 230) , 

 thallo subtus ochroleuco vel fusco, papilloso vel hirsuto; 



