248 E. A. Vainio, Lecideales. 



obtusis, demum 5 — 7-septatae, long. O.020 — O.030 mm (O.oie — 

 „0.o32 — 0.040 mm" sec. Stizenb.), crass. O.oos — O.ooe mm (O.004 — 

 „0.oo7 mm" sec. Stizenb.). 



Distr. Supra muscos, praesertim destructos (Andreaea 

 petrophila, Gymnomitrium concinnatum etc.) in lateribus 

 rupium (et ad lignum putridum) crescit. Ab.: Bemby in 

 Korpo (F. Elfving). N.: Ruokolahenjarvenmaki Hoglandiae 

 (sec. Brenner. Bidr. Hogl. Lafv., 1885, p. 91), T6I0 Helsing- 

 forsiae (Vain.). Ta.: Lapinkallio (Norrl. Bidr. Sydostr. Tav. 

 Fl. p. 188) et alibi in Evo (Vain.). Kb.: Riihivaara in Nur- 

 mes (Vain.). Kuus.: In reg. subalpina mentis Mantytunturi 

 (Vain.). LEnont.: In monte ad Kilpisjarvi (Norrl. Ber. Torn. 

 Lappm., 1873, p. 336). Lin.: In regione pinifera ad Vesko- 

 niemi (Vain. 1. c), Muddusjarvi (F. Silen). LPon.: Ponoi 

 (N. I. Fellman, Nyl. Lich. Lapp. Or. p. 151). 



Thallus sat tenuis, albidus aut cinerascens aut raro obscu- 

 ratus, verruculis dispersis aut contiguis aut supra hypothallum 

 albidum aut partim caerulescentem inspersus. Apothecia lat. 

 0.4 — 0.5 (0.3 — O.e) mm, saepe irregulariter aggregata, interdum 

 confluentia. Hypothecium in parte superiore hyphis erectis, 

 conglutinatis, sat pachydermaticis, cavitatibus angustis, brevibus, 

 interdum parte superiore dilute aeruginosum, parte inferiore 

 irregulariter contextum, tubulis longioribus. Perithecium dilute 

 subviolascens, partim sordide pallidum, hyphis radiantibus, sat 

 modice pachydermaticis, conglutinatis, tubulis tcnuibus. Epi- 

 thecium KHO parum reagens aut subolivaceum. Hymenium 

 crass. 0.060 — O.070 mm ( — O.080 mm sec. Stizenb.), jodo caeru- 

 lescens (asci „jodo persistunt caerulescentes vel solum obscu- 

 rantur" sec. Nyl. Fl. 1877 p. 232). Paraphyses arete cohaeren- 

 tes, apicibus leviter clavatis, simplices et passim parcissimeve 

 ramoso-connexae, membranis in KHO gelatinoso-turgescentibus. 

 Asci clavati, long. circ. O.060 mm, crass. O.024 — O.017 mm. Sporae 

 vulgo polystichae ( — tristichae). Gonidia pleurococcoidea, saepe 

 2 — pluri-cellulosa, saepe demum glomerulosa, simplicia globosa 

 et diam. O.004 — O.007 mm, membrana sat tenui aut modice in- 

 crassata, baud gelatinosa. 



F. nigrata (Nyl.) A. Sm. Mon. Brit. Lich. II (1911) p. 145 {L.sabu- 

 letorum var. milliaria f. nigrata Nyl. Lich. Lapp. Or., 1866, p. 151), thallo 

 verruculis parcis cinereo-obscuratis supra substratum nigricans putri- 

 dum crescente differens, ad muscos putridos prope Ponoi in Lapponia 



