Acta Societatis pro Fauna et Flora Fennica, 49, N:o 2. 79 



Distr. Ad muscos destructos in rupe calcaria Korpi- 

 kallio in Ruskeala (J. P. Norrlin, „Verrucaria pallida" Nyl. 

 in Norrl. Symb. Fl. Ladog.-Kar. p. 32). 



Thallus squamis circ. 7 — 1.5 mm longis latisque, humidis 

 circ. O.200 — 0.260 mm crassis, laevigatis, saepe plus minusve con- 

 cavis, haud pruinosis, lobis vulgo 2 — 1 mm latis, rhizinis ex 

 hyphis conglutinatis formatis nullis, hyphis hypothallinis O.003 mm 

 crassis, fuscescentibus. Apothecia thallo immersa, vertice obscu- 

 rato, haud aut parum prominente. Perithecium fuscescens aut 

 fusconigrum, integrum, globosum, lat. 0.4 — 0.2 mm. Nucleus jodo 

 violascens. Periphyses numerosae, constipatae, long. circ. O.030— 

 O.018 mm, tubulis O.002 — O.001 mm latis, membranis saepe bene 

 gelatinoso-incrassatis. Paraphyses in gelatinam diffluxae. Gonidia 

 hymenialia globosa vel subglobosa, simplicia diam. O.003 mm aut 

 rarius long. O.005 — O.004 et crass. O.001 mm, saepe 2 — 3-cellulosa. 

 Sporae primum decolores, demum fuscescentes, oblongae aut 

 ellipsoideae, apicibus rotundatis, murali-divisae, cellulis numero- 

 sissimis, long. O.028 — O.050, crass. O.014 — O.018 mm, membrana haud 

 gelatinosa. Conidangia in eodem thallo cum apotheciis, thallo 

 immersa, lacerato-cavernosa, conceptaculo decolore, sterigmatibus 

 long. O.015 mm, tenuibus, apicem versus sensim attenuatis, pauci- 

 septatis. Conidia cylindrica aut medium versus tenuiora, recta, 

 long. O.004 — O.0035, crass. O.ooos mm, apicibus rotundatis aut altero 

 apice obtuso. Stratum corticale superius thalli crass. O.040 — O.030 

 mm, piectenparenchymaticum, leptodermaticum, cavitatibus cellu- 

 larum O.007 — O.005 mm latis. Stratum medullare parte goniidiis 

 destituta tenui, hyphis O.003 mm crassis, partim cellulis O.005 — 

 O.008 mm latis, ellipsoideis rotundatisve, interstitiis disjunctis. 

 Stratum corticale inferius haud distinctum, cellulis parum con- 

 glutinatis. Gonidia pleurococcoidea, globosa, simplicia diam. O.010 — 

 O.008 mm, saepe 2-cellulosa. 



Obs. Endocarpon pallidum Ach. Lich. Univ. (1810) p. 301, Syn. 

 Lich. (1814) p. 100, sec. specim. orig. in herb. Ach. in Helvetia lectum 

 diversa est species, cum E. adscendente et E. pusillo commixta, thallo 

 partim leviter adscendente, superne pallido aut subrufescente et sub- 

 tus pallido, rhizinis destitute toto plectenparenchymatico, strato corti- 

 cali superiore O.070 — O.oso mm crasso, superne modice pachydermatico, 

 strato corticali inferiore haud distincto, hyphis hypothallinis fuscescen- 

 tibus, 0.no3 mm crassis. 



2. E. adsurgens Vain. (n. sp.). 



Thallus polyphyllus, subfoliaceus squamosusve, squamis 

 majusculis aut sat parvis, ambitum versus adscendentibus, 



