148 ARKIV FÖR BOTANIK. BAND N. N:0 4. 



F. impressa Wain. Thallus major, superne fuscus, co- 

 lore thallo *Ä. discretae congruens. Apothecia in unaqua- 

 que areola vulgo plura. 



Ad lapides et saxa granitica et gneissacea locis numero- 

 sis in peninsula Jinretlen. Fert. 



F. subdiscreta Wain. Thallus minutus, areolis discre- 

 tis sparsisque, superne fuscis, vulgo apothecia solitaria con- 

 tinentibus. 



Ad lapides graniticos et gneissaceos in peninsula Jinret- 

 len. Fert. 



F. pallescens Wain. Thallus major, areolis saepe 

 contiguis, pallidioribus, superne saepe testaoeo-pallidis, vulgo 

 apothecia plura continentibus. 



Ad lapides et saxa gneissacea, parce etiam ad terram 

 argillaceam in peninsula Jinretlen. Fert. 



3. A. belonioides (Nyl.) Wain. Lecanora Nyl., Fl. 

 1864 p. 490, Fl. 1867 p. 370, Enum. Lieh. Fret. Behr. (1888) 

 p. 70, Lieh. Jap. (1890) p. 48. L. fuscata *L. belonioides 

 Nyl., Lieh. Lapp. Or. (1866) p. 139. '''A. discretae infima pro- 

 les ex Th. Fr., Lieh. Scand. (1871) p. 218. 



Thallus minutus, areolas semper fertiles formans, di- 

 spersas, fuscas aut nigricantes, opacas, apothecia 1 — 4 conti- 

 nentes. Apothecia thallo immersa, apice elevato, conico, 

 atro, disco punctiformi, atro, nudo, rotundato aut difformi, 

 applanato aut mamillato, margine tenui, discum saepe supe- 

 rante, integro aut rimuloso, atro. Margo apothecii thallinus, 

 gonidia continens, extus fusco- aut rubricoso-fuligineus, para- 

 thecio proprio tenui, albido aut pallido, cavitatibus cellu- 

 larum augustis, elongatis, membranis tenuibus. Hypothe- 

 cium albidum, jodo leviter caerulescens. Hymenium circ. 

 0,140 millim. crassum, jodo leviter caerulescens, dein viola- 

 scens. Paraphyses sat laxe cohaerentes, tenues, crass. 0,001 

 millim., apice baud incrassatae, hand ramosae. Epithecium 

 rufescenti-fuligineum, inaequale aut mamillatum, KHO non 

 reagens. Asci ventricoso-clavati, apice membrana modice 

 incrassata, polyspori. Sporae ellipsoideae aut oblongae, 

 long. 0,003, crass. 0,001 — 0,0015 millim. — Thallus jodo 

 non reagens, in superficie apicibus hypharum constipatis, 

 clavatis, fuscescentibus, membranis modice incrassatis. Goni- 

 dia pleurococcacea, flavida, vulgo simplicia, interdum 4-cel- 

 lulosa aut glomerulosa, membranis sat tenuibus, diam. circ. 



