62 Acta Societatis pro Fauna et Flora fennica, VII. 



crassa violacea terminatae, neque ramosae, nee constrictae. Asci 

 clavati, circ. 0,oi6 — 0,14 millim. crassi. Sporae distichae, simpli- 

 ces, apicibus rotundatis, membrana sat tenui. 



5. Biatorella. 



De Not. in Giorn. Bot. Ital. 1S4G t. I p. 192; Mass., Ric. Lich. Crost. 



(1852) p. 130, Geneac Lich. (1854) p. 10; Koerb., Par. Lich. (1S59— 65) p. 

 124; Th. Fr., Gen. Lich. (1861) p. 80, Lich. Scand. (1874) p. 396; Rehm in 

 Rabenh. Krypt.-Fl. Ill (1890) p. 303 (excl. species gonidiis egentes). 



Thallus crustaceus, uniformis aut raro ambitu lobatus, hy- 

 pothallo aut hyphis medullaribus substrato affixus, rhizinis veris 

 nullis, strato cortieali nullo aut raro (in B. testudinea) thallum 

 superne obtegente, subcartilagineo, ex hyphis formato irregulari- 

 ter contextis, conglutinatis, sat leptodermaticis. Stratum medul- 

 lare stuppeum, hyphis implexis, tenuibus, leptodermaticis, lumine 

 cellularum comparate sat lato. Gonidia protococeoidea. Apo- 

 thecia lecideina, thallo innata aut in superiicie thalli aut in hy- 

 pothallo enata, vulgo dein mox emergentia adpressaque aut raro 

 Lmmersa permanentia. Excipulum proprium, gonidiis destitutum, 

 ex hyphis sat leptodermaticis conglutinatis aut (praecipue in sub- 

 gen. Sarcogyne) pro parte materia granulosa conjunctis formatum, 

 strato medullari stuppeo nullo. Paraphyses simplices aut parce 

 ramoso-connexae. Sporae numerosissimae (in eodem asco), de- 

 colores, simplices, breves niinutaeque. Conceptacula pyenoconidio- 

 rum thallo immersa ant verruculas in thallo formantia. „Sterig- 

 mata simplicia. Pycnoconidia oblonga aut oblongo-cylindrica aut 

 ellipsoidea aut ovoidea wi (Th. Fr., 1. c, et Nyl. in Hue Addend, p. 115). 



1. B. conspersa (Fee) Wainio. Lecidea conspersa Fee, Ess. 

 Lich Ecorc. (1824) p. 109, tab. 42 fig. 26; Nyl., Lich. Nov.-Gran. 

 Addit. (1867) p. 327; Krempelh. in Warm. Lich. Bras. (1873) p. 

 24, Fl. 1873 p. 468; Mull. Arg., Lich. Beitr. (Fl. 1881) n. 345, 

 Rev. Lich. Fee (1887) p. 8. 



Thallus crustaceus, crassitudine mediocris, soredioso- et ver- 

 ruculoso-granulosus, granulis contiguis aut dispersis, aiinutissimis, 

 lulvis aul raro fulvescenti-flavis. Apothecia 0,8—0,5 millim. Lata, 

 adpressa, disco piano aul demum convexo, fulvo aul i'ulvo-lute- 

 scente, prainoso, margine tenui, disco vulgo concolore, persistente 



