E. WAINIO, LICHENES PROPE PITLEKAI COLLECTI. 115 



0,028, crass. 0,009 — 0,012 millim., strato gelatinoso circ. 0,003— 

 0,004 millim crasso. 



Ad saxa gneissacea et granitica in peninsula Jinretlen. 



17. L. atroalbicans Nyl., Fl. 1875 p. 363, Enum. Lieh. 

 Fret. Behr. (1888) p. 37, Lieh. Pyr. Or. Obs. Nov. (1891) 

 p. 37. L. cotifervoides d. polycarpa Hepp, Fl. Eur. (1853) n. 35. 

 Rhizocarpon poly car pum Th. Fr., Lieh. Scand. II (1874)p. 617. 

 Catocarpus polycarpus Arn., Miquelon (Lieh. Fragm. XXIX, 

 1888) p. 18, Labrador (1896) p. 16. 



F. cinerascens Wain. 



Thallus cinereus aut obscure cinerascens. — Medulla jodo 

 intense caerulescens. Thallus neque KHO, nee CaCUO,, nee 

 his reagentiis unitis distincte reagens. Excipulum violaceo- 

 fuligineum. Hypothecium fusco-nigrum. Hymenium circ. 0,100 

 millim. crassum. Epithecium purpureo- aut violascenti-fuli- 

 gineum, KHO non reagens. Paraphyses increbre ramoso-con- 

 nexae, membranis in gelatinam abundantem diffluxis. Sporae 

 8:nae, 1-septatae, diu decolores, dein sordide caeruleo-nigrican- 

 tes, strato gelatinoso vulgo sat crasso indutae, long. circ. 0,020 — 

 0,023, crass. 0,008 — 0,010 milhm. 



Ad lapides in regione meridiem versus a pago Pitlekai sita. 



F. infuscata Wain. 



Thallus testaceo- aut cinereo-fuscescens. — Medulla jodo 

 intense caerulescens. Thallus KHO haud disticte reagens. 

 Excipulum violaceo-fuligineum. Hypothecium fusco-nigrum. 

 Epithecium purpureo-fuligineum. Sporae 1-septatae aut raro 

 2 — 3-septatae, primum decolores, dein nigricantes, strato gela- 

 tinoso 0,006—0,004 milhm. crasso, long. 0,022 — 0,026, crass. 

 0,011 — 0,012 milhm. 



Ad saxa in peninsula Jinretlen. 



18. L. Hochstetteri (Koerb.) Wain., Adj. Lieh. Lapp. 

 II (1883) p. 131. Catillaria Koerb., Par. Lieh. (1861) 

 p. 195. Lecidea atroalba var. applanata Fr., Summ. Veg. 

 Scand. (1846) p. 116 (haud Lecidea applanata Chev., Fl. Gén. 

 Paris I p. 565). Rhizocarpon applanatum Th. Fr., Lieh. Scand. 

 II (1874) p. 618. L. atroalba var. chlorospora Nyl., Bot. Not. 

 1853 p. 96; Deichm. Br., Lieh. Nov.-Zeml. (1885) p. 77. L. 

 colludens Nyl., Fl. 1870 p. 38, Enum. Lieh. Fret. Behr. (1888) 

 p. 15. Buellia Tuck., Syn. North Am. II (1888) p. 100. 



F. caesiocinerascens Wain., 1. c. p. 132. 



Thallus tenuis, subcontinuus, rimulosus, cinerascens. 



