38 ARKIV FÖR BOTANIK. BAND 8. N:0 4. 



oblongae aut pro parte fusiformes, 8:nae, distichae, rectae, 

 decolores, 3-septatae, long. 0,015 — 0,022, crass. 0,002 — 0,003 

 millim. Apothecia vulgo nigra, rarius fusca. 



Ad ossa vetusta in peninsula Jinretlen et in regione 

 meridiem versus a pago Pitlekai sita. Fert. 



2. L. phaeosphaeroides Wain. (n. sp.). 



Thallus indistinctus, macula albida aut pallida indicatus. 

 Gonidia flavescentia, globosa, simplicia, membrana sat tenui, 

 protococcoidea. Apothecia sat crebre disposita, 0,2 — 0,4 

 ( — 0,5) millim. lata, disco primum piano, demum convexo, 

 fusco aut ruf o, aut altero latere fusco, altero ruf o, nudo, sat 

 opaco, margine tenuissimo, fuscescente, demum excluso. 

 Excipulum pseudoparenchymaticum, cellulis parvis, gonidia 

 parce continens, extus rufescens, intus pallidum. Hymenium 

 jodo persistenter caerulescens. Epithecium rufescens, KHO 

 non reagens. Paraphyses arcte cohaerentes, in KHO laxe 

 cohaerentes, simplices, apice clavatae. Asci clavati. Spo- 

 rae 8:nae, distichae, decolores, oblongo-elongatae, apicibus 

 obtusis, rectae, 3-septatae, haud constrictae, long. 0,015 — 

 0,020, crass. 0,003 millim. — Habitu Lecideam erysiboidem 

 Nyl. in memoriam revocans, at af finis Lecanorae Nylanderia- 

 nae, a qua statione et apotheciis pallidioribus et reactione 

 jodetica hymenii differt. 



Ad lignum putridum in peninsula Jinretlen. 



Subg. 2. Candelariella. 



3. L, vitellina (Ehrh.) Ach., Lieh. Univ. (1810) p. 

 403; Nyl., Enum. Lieh. Fret. Behr. (1888) p. 10, 28, 49, 

 56; Wain., Lieh. Sibir. Merid. (1896) p. 10. Xantlwria 

 Th. Fr., Lieh. Arct. (1860) p. 70. Gijalolechia Th. Fr., Lieh. 

 Spitsb. (1867) p. 19. Caloplaca vitellina (a. genuina) Th. Fr., 

 Lieh. Scand. (1871) p. 188; Almqu., Lieh. laktt. Sib. (1879) 

 p. 32, 38, 40, 41, 43, 48, 50, 51, Lieh. Küst. Beringsm. 

 (1887) p. 522, 524, 525. Placodium vitellinum Tuck., Syn. 

 North. Am. Lieh. (1882) p. 180; Cumm., Lieh. Alaska (1904) 

 p. 111. 



Asci polyspori. Sporae pro parte simplices, pro parte 

 1-septatae, vulgo long. 0,010, crass. 0,005 millim. 



Ad lapides in regionibus meridiem versus a pago Fitle- 



