196 Acta Societatis i^ro Fanna et Flora fennica, VII. 



Stida erosa Tuck., Syn. Nortli Am. (1882) p. 98. Loharia Forssell,. 

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

 NyL, Lich. Exot. (1859) p. 254 (miis. Paris.), Syn. Lich. (185860) 

 p. 373. 



Thallus iiTCgulariter crebrcque iteratim laciniatus lobatusque, 

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

 vulgo angustis, adprcssus, KHO non rcagcns, supcrne sat lacvi- 

 gatus aut bene impresso- vcl rcticulato-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. Apothecia supra thallum sparsa, circ. 10 2 

 millim. lata, margine thallino-dilatato, lobato. Sporae bacillares^ 

 aut fusiformi-acicularcs, 1 3-scptatae, long. circ. 0,0 5 8 0,0 6 6. 

 millim. [ 0,090 millim.": Nyl.], crass. 0,oo2 0,oo3 millim. 



Var. aequalis Wainio. 



TJialhis superne sat laevigatus. Ad corticem arboris prope 



Sitio (1000 mctr. s. m.) in civ. Minarum, n. 954. 



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

 Sticfa lacunosa Tayl. in Hook. Lond. Journ. of Bot. 1847 p, 180 ;: 

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



Thallus imprcsso- vel reticulato-rugosus. Ad corticcm 

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

 n. 655. 



TJiallus circ 5 13 centim. latus, supernc isidiis sorediisque 

 destitutus, medulla KHO (Ca Clg 0^) levissime rubescente. [In Wright 

 Lich. Cub, n. 66 thallus pr. p. est instructus cephalodiis fruticu- 

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

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

 Cephalod. p. 24, etiam cephalodia imniersa in hac specie inveni- 

 untur.] Stratum corticale superius circ. 0,0 2 5 millim. crassum, e 

 seriebus circ. 4 cellularum formatum. Stratum corticale inferius- 

 tenue, scriem simplicem cellularum continens. Gonidia flavo- 

 virescentia, globosa, simplicia, diam. 0,oo6 0,oo4 milhm., mem- 

 brana sat tenui. Bhizinae ex hyphis fasciculatis connatis 'for- 

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

 Excipulum haud pubescens. Hi/potheciu7n testaceo-rufescens [aut 

 pallescens]. Hymenium circ. 0,ioo miflim. crassum, jodo persi- 

 stenter caerulescens. Epithecium tcstaceo-rufesccns. Faraphyses. 



