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335
32. Verrucaria margacea var. mauroides (Schær. Emm.
p. 215). — Ad lapides calcareos sylvæ pone Fredriksberg.
Quoque ad Helsingfors supra tegulas lateritias, facie externa fere
Ferr. nigrescentis, at Lhallo minus evoluto continuo inæquali
opaco, sporis longit. 0,oi5—16, crassit. 0,oo65—0,oo75 millim.
33. Verrucaria intercedens (Nyl. Pyrenoc. p. 33) var.
ÆTHiOROLOinES Nyl. — Thallus cinereofuscus tenuissimus
con-linuus vel dispersus; apothecia minuta fere ut in V.
æthio-bola; sporæ incolores fere murali-divisæ, circa longit. 0,o2i
millim., crassit. 0,oio millim.
Ad saxa quartzosa in Wihtis.
34. Verrucaria lectissima var. terrestris Nyl. —
Thallus determinatus glaucocinereus, sat tenuis, inæqualis;
apothecia fusco-pallescentia innata, parum prominula; sporæ
oblongo-fusiformes, 3-septatæ, longit. 0,020—23 millim., crassit. 0,oo7—8
millim., paraphyses confertæ.
Supra terram macram inter Ceratodon purpureum plagulas
latitudinis pollicaris formans, in rupibus ad ’ Helsingfors juxta
Observatorium astronomirum.
Vergit ad Verrucariam chloroticam, sed apothecia magis determinate
pallescentia, immo pallide rufescentia.
35. Verrucaria farrea Ach. pr. p., Nyl. in Bot. Notis.
1853, p. 183, Prodr. p. 188. — Ad corticem Salicis pentandræ
vetustæ prope Helsingfors.
36. Verrucaru öxyspora Nyl. in Bot.JSotis. 1852, p. 179.
— Ad betulas in regione Helsingforsiæ sat frequens.
Quasdam alias additiones in licbenographiam
Helsingfor-siensem jam ante attuli, ut supra pp. 5, 7 el in Herb. M. F.
Addam hoc loco Physciam obscuram var. sciastram ÇParmel.
fahlunenxem var. sciastram Ach., Fr.) occurrere in Nylandia,
Sa-volaxia et Alandia.
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