54 



Thallus plumbeo- vei albido-cinerascens, passim 

 parce sorediosus, areolis dispersis vei contiguis- Apo- 

 thecia caesio-pruinosa. Spor» majores, locgitudine 0,014 

 -0,022 millim., crassitudine 0,006—0,009 (—0,012?) 

 millim. NonnuUis locis fere in toto territorio (velut 

 ad Lipinlahti in par. Nurmes Karelise borealis, in re- 

 gione subalpina jugi Suoloselkä, in regioue pinifera ad 

 lacum Inarijärvi). — Epithecium hujus est fusco- vei 

 olivaceo-fuligineum. Hymenium circiter 0,120 — 0,100 

 millim. crassum. Gelatina hymenialis jodo persistenter 

 cserulescens, sicut in omnibus formis L. confluentis. 



— *f. meiosporoides Norrl. L. speirea var. meiosporoides 

 Norrl., Kar. Oneg. II p. 34. 



Thallus plumbeo- vei albido-cinerascens albidusve, 

 esorediosus. Apothecia pruinosa. Sporse majores (sicut 

 in f. sorediza). — Ad saxa in pineto prope Lipinlahti 

 in par. Nurmes Kareliae borealis. Vix a f. sorediza 

 distingui potest. 



L. speirea Ach,, sec. spec. orig. in hb. Ach.; Th. Fr., Lich. 

 Scand. p. 485. L. confluens f. subcalcarea Nyi., Scand. 

 p. 225, sec. spec. orig. in Mus. Fenn. 



Thallus vulgo continuus, rimosus, ssepe cretaceus, 

 albidus vei glaucescenti-albidus, hydrate kalico immu- 

 tatus, meduUa jodo caerulescente, hypothallo albido. 

 Apothecia innata, juniora plana vei saltem pr. p. con- 

 cava. Hypothecium nigricans. Gelatina hymenialis jodo 

 persistenter caerulescens. 



Ad rupem prope Kitkajoki in par. Kuusamo legit 

 F. Silen. 



L. lapioida Ach. (pr. p., sec. hb. Ach.). 



Thallus cinerascens — cinereo- vei sordide albi- 

 cans, hydrate kalico fere immutatus, medulla jodo cserule- 

 scente, hypothallo nigricante vei passim obsoleto indi- 

 stinctoque. Hypothecium saltem pr. p. incoloratum vei 

 pr. p. fuscescens. 



