Acta Societatis pro Fauna et Flora Fennica, 53, N:o 1. 9 



Thallus squamosus aut rarius partim crustaceus areo- 

 latusque, squamis 2—0.2 mm longis, O.2— 0.7 mm latis, planis 

 aut rarius convexis, adscendentibus aut p. p. adnatis, plus 

 minus sorediosus, albidus aut pallidus aut rarius cinerascens, 

 KHO lutescens deindeque rubescens. Apothecia peltata aut 

 subpeltata, breviter stipitata aut subsessilia, stipite compresso 

 aut fere terete, demum leviter costato, pallido nudoque aut 

 raro parte inferiore zona gonidiali areolata obducto, disco 

 depresso-convexo, pallido aut cinereo-pallescente, baud prui- 

 noso, KHO solutionem luteam deindeque crystalla rubra 

 formantem effundente. 



Distr. Ad terram arenosam in ericetis, ad saxa et 

 rupes et interdum ad muscos destructos et ligna putrida. 

 N.: Kotikallio Hoglandiae (M. Brenner), Alppila Helsing- 

 forsiae (Vain., B. Poppius). Ta.: Nyystola et Virmaila in 

 Padasjoki (Vain.), Evo (J. P. Norrlin), Tiainen et prope 

 Vallyvuori in Korpilahti (Vain.). St.: Kokemaki (A. J. Malm- 

 gren). Oa.: Jurva (A. J. Malmgren). Sb.: Pieksamaki (Vain.), 

 Nerkoo in Lapinlahti (0. A. F. Lonnbohm), Kuopio (sec. 

 G. Lang Lich. Sav. bor. p. 7). KOI.: Mjatusova (sec. F. Elf v. 

 Ant. Veg. Svir p. 164). KOn.: Kapselka (Th. Simming), 

 Kosagora (A. Kullhem). Kb.: Prope pag. Lieksa (Vain.). 

 OKaj.: Sotkamo (A. Chydenius). LIm.: Umba (G. Selin). 

 LTul.: Kuolla (N. I. Fellman). 



Thallus plagas usque ad 8 cm latas formans, squamis tenui- 

 bus (circ. O.26 mm crassis), vulgo contiguis, difformibus aut rotun- 

 datis, interdum margine crenulatis, subtus albidis, partim rhizinas 

 breviores, ramosas emittens, strato corticali baud evoluto, hyphls 

 leptodermaticis, O.0022 — O.oon mm crassis, crebre irregulariter con- 

 textis, KHO crystalla rubra, acicularia, circ. O.on — O.ooe mm longa 

 formans, strato medullar! inferiore gonidiis destitute. Soredia 

 albida aut rosea. Stipes long. I.5 — O.2 aut fere deficiens, KHO 

 partim lutescens deindeque rubescens, intus solidus, chondroideus, 

 pachydermaticus, cavitatibus tenuissimis, in parte exteriore mem- 

 branis minus incrassatis et impellucidus. Excipulum chondroideum, 

 solidum. Hypothecium parte superiore anguste pallidum. Hyme- 

 nium bene evolutum baud visum. Gonidia globosa, simplicia, 

 diam. O.007 — O.012 mm. 



