72 Acta Societatis pro Fauna et Flora fennica, VII. 



rum cingiisto instmetis, aut strato corticali niillo. Stratum me- 

 dullare stuppeum, hyphis imple.xis, tenuibus aut sat tenuibus, mem- 

 branis tenuibus aut leviter incrassatis ct lumine ceUularum com- 

 parate sat lato aut sat tenui. Gonidia protococcoidea aut pleu- 

 rococcoidea. Apothecia iecanorina, thallo innata, vulgo mox emer- 

 gentia adpressaque, aut raro immersa permanentia, disco vulgo 

 rubescente rufescentevc. Exdpnliim thallodes, textura thailo 

 consimile, perithecio proprio nullo aut pkis minusve evoluto. 

 Hljpothecium albidum pallidumve. Sporae fusiformes acicularesve, 

 longae angustaeque, 3 pluri-septatae, decolores, 8:nae. ^^Sterig- 

 mata exarticulata aut pauciarticulata. Pycnoconidia cylindrica" 

 (Linds., Mem. Sperm. Grust. Lich. p. 232, tab. 9 fig. 39 et 41). 



L H. piiniceum (Ach.) Wainio. Lecanora pimicea Ach., Syn. 

 Lich. (1814) p. 174 (pr. p.: hb. Ach.) ; Nyl, Lich. Nov.-Gran. (1863) 

 p. 443, Syn. Nov. Cah (1868) p. 30; Tuck., Syn. North Am. (1882) 

 p. 194. Lecania Miill. Arg., Lich. Beitr. (1881) n. 331, Rev. Lich. 

 Yee (1887) p. 10, Lich. Parag. (1888) p. 10. 



TJialhis crustaceus, effusus, sat tenuis, verruculoso-inaequa- 

 lis, vulgo continuus, albidus, esorediatus aut raro sorediosus. 

 Apothecia 1,5 0,8 milhm. lata, demum elevata adpressaque, disco 

 plano, normahter coccineo, margine thallode crassiusculo aut sat 

 tenui, thaUo concolore. Sporae aciculari-fusiformes, pluri-septatae, 

 decolores, long. circ. 0,060 0,072, crass. 0,oo5 0,oo4 milhm. 



Var. esorediata Wainio. Thallus esorediatus. Apothecia 

 disco coccineo. 



Ad corticem arborum sat frequenter in Brasiha provenit, n. 

 542, 792, 845, 848, 862, 1029. Thallus neque KHO nec I rea- 

 gens; stratum medullare hyphis tenuibus, membrana sat tenui et 

 lumine comparate sat lato instructis. Gonidia protococcoidea, 

 simplicia, globosa, membrana tenui. Apothecia interdum sat diu 

 thallo immersa permanent, at vulgo jam valde juveniha emergun- 

 tur, disco coccineo, margine vulgo extus minute crenulato, rarius 

 (in eodem specimine quoque) integro aut flexuoso instructa. Ex- 

 cipulum gonidia continens, strato corticali obductum subamorpho, 

 ex hyphis subverticalibus conglutinatis parum distinctis formato; 

 excipulum proprium nullum. Hypothecium crassum, dilute sub- 

 lutescens, KHO non reagens aut fulvescens. Hymenium circ. 

 0,100 0,120 millim. crassum, jodo persistenter caerulescens. Epi- 



