78 Acta Socictatis pro Fauna et Flora fennica, VII. 



Lich. Xov.-Gran. Addit. (1807) p. 320, 8yii. Lich. Cal. (ISGS) p. 

 38; Krempelh., Neue Beitr. Flecht. Neu-Seel. (1877) p. 453; Tuck., 

 Syu. North Am. (1882) p. 225. 



T/iallns tenui.s aut crassiludinc nicdiocris, sat lacvigatus aut 



lcvissimc vcrrueuloso-inacqualis, albidus aut glauccscenti-albidus, 



opacus aut nitidiusculus. Exdimlim verruculam levitcr elevatam 



aut ferc hcmisphaericam, 0,5 0,8 millim. Litam, basin vcrsus 



scnsim dihUatam, formans, ostiolo ])arvo, pimctiformi, rotundato, 



marginc ostiolari integro, tenui. Apotheda increbra, disco nigri- 



cantc. FeritJiecium fusco-nigricans, dimidiatum. Sporae solita- 



riac [ 4:nae"], demum olivacco-fuscescentes, murales, long. circ. 



0,0900,140 [0,0560,170"], craSS. 0,028-0,036 [0,011"] 



millim. 



Ad corticem arboris prope Sitio (1000 mctr. s. m.) in civ. 

 IMinarum, n. 807. Thallus substratum obduccns, strato corti- 

 cali tenui (0,oio millim. crasso) amorpho instructus. Gonidia 

 chroolcpoidea, circ. 0,oio 0,oo8 miUim. crassa, membrana sat 

 tenui. Perithedum basi deficiens, columella nulla. Hypotliedum 

 subhvmeniale albidum. Nudeus circ. 0,5 7 o millim. latus. Para- 

 physes 0,0 oi millim. crassae, gelatinam in KHO turgescentem 

 laxamque percurrentes, haud ramosae. Sporae in specimine no- 

 stro solitariae aut raro binac, oblongac, apicibus rotundatis, cel- 

 lulis demum rotundatis, numerosis, in seriebus transversalibus 

 primariis circ. 14, jodo violaceo-cacrulescentes. 



Subg. II. Brassia (Mass.) Wainio. Sporae decolores, murales. 



Brassia Mass., Esani. Comp. Gen. (1860) p. 15. Thelofrema jMiill. Arg., 

 Graph. Feean. (1887) p. 4 et 10. 



3. Th. piperis Wainio (n. sp.). 



TJiallus sat tenuis aut crassitudine mediocris, leviter ver- 

 ruculoso-inaequalis aut sat laevigatus, glaucescenti-albidus, niti- 

 diusculus aut subopacus. Exdpulum verrucam hemisphaericam, 

 circ. 1,5 0,8 millim. latam, basin versus sensim dilatatam for- 

 mans, ostiolo parvo, punctiformi, rotundato, margine ostiolari in- 

 tegro, tenui aut sat tenui, haud elevato. Apotheda vulgo increbra, 

 disco urceolato-impresso, nigricantc. Perithedum fuligineum, di- 

 midiatum. Sporae solitariae, decolores, murales, long. 0,i4o 

 0,2 9 0, crass. 0,o 2 40,0 4 4 millim. 



