Acta Societatis pro Fauna et Flora Fennica, 53, N:o 1. 285 



Obs. Specimina in Fennia collecta thallo demum cinerascente 

 instructa sunt. In var. Oportensi Vain, areolae thalli maxima parte 

 dispersae, pulchre flavae, hypothallo nigro inter areolas bene evoluto, 

 apothecia prominentia. Ad Oporto in Lusitania ab I. Newton collecta 

 (10492 in herb. Nyl.). 



3. Rh. leptolepis Anzi 



Manip. Lich. Rar. (1862) p. 29 (nomen nud.), Lich. Rar. Langob. 

 Exs. IX (1863) n. 361; Arn. Lich. Fragm. XII (Fl. 1871) p. 149, Lich. 

 Tirol XVIII (1878) p. 268, XIX p. 288 (baud Lecidea leptolepis Bagl. et 

 Carest. Alcun. Lich. Vals. in Comment. Soc. Crittog. Ital. II, 1864, p. 

 83). Lecidea atroalbn y. amphibia Hepp Flecht. Eur. I (1853) tab. VI 

 n. 38 (baud Fr.). Rhizocarpon amphibium Koerb. Syst. Lich. Germ. 

 (1855) p. 264. Rh. petraeum a. vulgare 5. protothallinum Koerb. Parerg. 

 Lich. 3 Lief. (1861) p. 231 p. p. Lecidea atrobrunnea Nyl. sec. Brenn. in 

 Not. Sallsk. F. et Fl. Fenn. XII I (1874) p. 458. „Rh. grande forma" Th. 

 Fr. Lich. Scand. II (1874) p. 625. L. atrobninneola Nyl. Fl. 1876 p. 239. 

 L. leptolepis f. atrobrunneola Nyl. in Brenner Bidr. Hogl. Lafv. (1885) 

 p. 113. 



Exs. Hepp Flecht. Eur. I (1853) n. 38 (sec. Arn.>. — Anzi Lich. 

 Rar. Langob. Exs. IX (1863) n. 361 (in herb, Nyl.). — Erb. Critt. Ital. 

 XIX (1880) n. 927 (sec. Jatta Fl. It. Crypt. Lich. p. 691). 



Thallus areolis supra hypothallum nigrum dispersis, 

 rotundatis, sat parvis, rufescentibus aut persicino-testaceis, 

 baud pruinosis, margine vulgo cinerascentibus aut pallidiori- 

 bus, planis aut leviter convexis, adnatis aut basi leviter 

 constrictis et subsquamaeformibus, jodo non reagentibus. 

 Apothecia sat parva aut rarius mediocria, inter verruculas 

 thalli sita, nigra, nuda, primum plana, margine tenui, dein 

 convexa immarginataque. Epithecium rubricosum aut rubri- 

 coso-fuligineum (aut olivaceum sec. Arn.). Sporae 8:nae, 

 maturae obscuratae, „long, O.027 — O.034 mm, crass. O.on — O.ou 

 mm" (in specim. Fennic. sec. Nyl.) aut „long. O.034— O.042, 

 crass, 0.015 — O.022 mm" (in specim, Tirolicis sec, Arn,), mura- 

 les, cellulis numerosissimis numerosisve. 



Distr. Supra rupes porphyricas in Kotikallio et in saxis 

 littoralibus ad Mustjyrkanvuori Hoglandiae cum *Lecanora 

 Swartzii, Rh. geographico et Parm, omphal. v. pannif. (M. 

 Brenner 1, c). 



