132 E. A. Vainio, Lecideales. 



irregulariter contextis, membranis modice incrassatis, conglutinatis, 

 cavitatibus angustis. Hymenium O.oes — O.oso mm crassum, jodo caeru- 

 lescens. Epithecium fuscofuligineum aut inferne subcyanescenti- 

 nigricans. Partes obscuratae apotheciorum KHO pulchrius violascen- 

 tes. Paraphyses sat arete cohaerentes, increbre septatae, simplices, 

 crass. 0.002 mm, apice 0.oo4 mm clavataeque. Sporae 8:nae, polystichae, 

 bacillares, apicibus rotundatis obtusisve, rectae, 3-septatae. 



T. cinereovirens (Schaer.) Mass. 



Ric. Lich. Crost. (1852) p. 107; Koerb. Syst. Lich. Germ. (1855) 

 p. 182; Th. Fr. 1. c. (excl. var. et cit.). Lecidea Schaer. Lich. Helv. 

 Spic. Ill (1828) p. 109; Fr. Lich. Eur. Ref. (1831) p. 286; Nyl. Prodr. 

 Lich. Gall. Alg. (1857) p. 368(122). Biatora imbricata Hepp Flecht. Eur. 

 Ill (1860) n. 735 (baud Lecidea imbricata Mont. Ann. Sc. Nat. 2, XVI, 

 1841, p. 125). Toninia imbricata Koerb. Lich. Sel. Germ. XI (1868) n. 

 312; Arn. Lich. Tirol VIII (1872) p. 290. 



Thallus squamis subrotundatis, diam. circ. 1—0.3 mm, subintegris 

 aut parce lobatis subcrenatisve, planis, confertis et partim subconfluen- 

 tibus, sat tenuibus vel modice incrassatis, demum prolificantibus et 

 crustam areolatam O.s—l.s mm crassam formantibus, superne obscure 

 olivaceo-fuscescentibus, opacis, basi baud radiciformi-elongata affixus, 

 Apothecia plana aut demum depresso-convexa, nigra. Hypothecium 

 decoloratum aut sublutescens. Sporae aciculares, „long. O.ois — O.032, 

 crass. 0.003—0.004 mm" (sec. Th. Fr. 1. c. et annot. Nyl.). 



Distr. Ad terram calcariam et rupes in Suecia et Norvegia 

 provenit, sed in Fennia nondum est collecta. 



Thallus distincte squamosus, squamis planis, saepe albido-mar- 

 ginatis. Hypothallus albidus. Apothecia primum margine sat crasso. 

 prominente, demum immarginata, sparsa aut conferta, saepe demum 

 angulosa vel varie lobata, lat. I.5— O.7 („— 2") mm, nigra nudaque aut 

 raro tenuissime pruinosa, opaca. „Paraphyses validiusculae, laxius 

 cohaerentes, apice fuligineo-capitatae. Sporae 4 — 8-blastae, utrinque 

 vel altero apice subattenuatae. Hymenium jodo praecedente caeru- 

 lescentia levi vinose rubet. Perithecium extus atropurpureum, intus 

 pallidius. KHO paraphyses minus intense, exterior excipuli pars laetius 

 violascit" (sec. Th. Fr. I. c). Conidia „filiformia, bene arcuata, long. 

 0.018—0.024, crass, non O.ooi mm" sec. annot. Nyl. in herb. suo. 



Obs. Lecidea imbricata Mont, 1. c, 1841, p. 125, Syll. Crypt. 

 (1856) p. 341, „apotheciis intus fuscis, sporis oblongo-subcymbiformibus 

 bilocularibus" descripta, ad rupes maritimas prope urbem Cayennam 

 in America merid. collecta, ad T. cinereovirentem (Schaer.) sec. descr. 

 pertinere non videtur. Conf. etiam Stizenb. Lich. Helv. (1882) p. 175. 



