196 Acta Societatis pro Fauna et Flora fennica, VII. 



Sticta erosa Tuck., Syn. North Am. (1882) p. 93. Lobaria Forssell, 

 Stud. Cephalod. (1883) p. 24. Ricasolia crenulata var. stenospora 

 NyL, Lich. Exot. (1859) p. 254 (mus. Paris.), Syn. Lich. (1858—60) 

 p. 373. 



TJiallus irregulariter crebreque iteratim laciniatus lobatusque, 

 laciniis circ. 10 — 1 millim. latis, ambitu sinuato-crenatis, axillis 

 vulgo angustis, adpressus, KHO non reagens, superne sat laevi- 

 gatus aut bene impresso- vel reticulato-rugulosus, cinereo- vel 

 plumbeo- vel testaceo-glaucescens, sat opacus, ambitum versus 

 vulgo tenuiter araneoso-pubescens, subtus pallescens aut albidus, 

 rhizinis sat crebris aut sat increbris vel sat parcis instructus, 

 ambitu denudatus. ApotJiecia supra thallum sparsa, circ. 10 — 2 

 millim. lata, margine thallino-clilatato, lobato. Sporae bacillares 

 aut fusiformi-aciculares, 1— 3-septatae, long. circ. 0,0 58— 0,06 6 

 millim. [„ — 0,0 9 millim.": NyL], crass. 0,0 2 — 0,0 3 millim. 



Var. aequalis Wainio. 



TJiallus superne sat laevigatus. — Ad corticem arboris prope 

 Sitio (1000 metr. s. m.) in civ. Minarum, a 954. 



Var. erosa (Eschw.) Wainio. Parmelia erosa Eschw., 1. c. 

 Sticta lacunosa Tayl. in Hook. Lond. Journ. of Bot. 1847 p. 180 ; 

 Miill. Arg., Lich. Beitr. (1888) n. 1247. 



TJiallus impresso- vel reticulato-rugosus. — Ad corticem 

 arboris prope Sitio (1000 metr. s. m.) in civ. Minarum sterilis, 

 n. 655. 



TJiallus circ. 5 — 13 centim. latus, superne isidiis sorediisque 

 destitutus, medulla KHO (Ga Gl 2 2 ) levissime rubescente. [In Wright 

 Lich. Cub, n. 60 thallus pr. p. est instructus cephalodiis fruticu- 

 losis, caespitoso-confertis, caeruleo-cinerascentibus, creberrime ra- 

 mulosis, apice passim pallido-capitatis. Ut ait Forssell in Stud. 

 Cephalod. p. 24, etiam cepJialodia immersa in hac specie inveni- 

 untur.] Stratum corticate super his circ. 0,0 2 5 millim. crassum, e 

 seriebus circ. 4 cellularum formatum. Stratum corticate inferius 

 tenue, seriem simplicem cellularum continens. Oonidia flavo- 

 virescentia, globosa, simplicia, diam. 0,ooe — 0,0 04 millim., mem- 

 brana sat tenui. Bliizinae ex hyphis fasciculatis connatis for- 

 matae. ApotJiecia disco fusco aut rufo aut testaceo-rufescente. 

 Excipulum haud pubescens. Hypotliecium testaceo-rufescens [aut 

 pallescens]. Jlymenium circ. 0,ioo millim. crassum, jodo persi- 

 stenter caerulescens. EpitJiecium testaceo-rufescens. Paraphyses 



