110 



*'. — Stirps Lecanorce ventosm. 



46. liecanora ventosa Ach., Nyl. Scand. p. 172. 

 Usque ad Mare glaciale. Ocurrit quoque status sterilis 



spermogonifer, spermogoniis nigris agglomeratis prominenti- 

 bus quasi apothecia minuta qusedam congesta simulantibus. 

 Etiam ad Mare album, Poreguba (G, Selin) adest forma 

 tliallo tenuiore albido vel albo-fiavicante, apotheciis obscurius 

 rubricosis aggregatis. '"") 



VI. — URCEOLARIA (Ach.) Nyl. 



47. liecanora scpuposa (Ach., Nyl. Scand. p. 176), 

 Passim, saltem usque in regionem Kolaensem (141, e Ko- 

 la) et Maré glaciale. Thallus afFuso hypochlorite calcico 

 erythrinose rubescit. — Var. gyi^sacea (Ach.) etiam adest. 



III. — PERTUSARIA DC. 



1. Pertusaria bryontlia (Ach.) Nyl. Scand. p. 178. 

 Usque ad Ponoi (142), supra terram, muscos vetustos et 



vogetabilia destructa. Variat apotheciis pallidis. 



2. Pertusaria leucotera (Nyl. Scand. p. 180). — 

 Thecee monosporae, sporse longit. 0,125 — 0,225 millim., crassit. 

 0,065 — 0,075 millim. 



Supra Diapensiam et alias plantulas destructas prope Po- 

 noi (.143), socia Pertusarice bryonthce et dactylince. 



3. Pertusapia dact^lina (Lichen dactylinus Ach. Prodr. 

 p. 89, Isidium dachjlinum Ach. Meth. p. 137, t. 3, fig. 6, L. 

 U. p. 576, Syn. p. 282) Nyl. Nov. Gran. p. 33, ed. 2 p. 36. 

 — Thallus albus tenuis insequalis, papillas proferens cras- 



*) In hac stirpe epithecium hj^drate kalico purpurascit in L. veri' 

 tosa^ hminatomma, erythromma, punicea et chrysosticta ; at ea reactio non 

 observatur in L. rufiåula, elatina, cismonica et ochrophcea h. e. harum epi- 

 thecium nullum acidum ebrysophanicum offert. Observetur tamen, 

 hane reactionem, hydrate kalico et fere similiter aqua calcis effectam, 

 colorem offerre nonniliil aliam, pulcherrime violaceam. 



