Acta Societatis pro Fauna et Flora Fennica, 49, N:o 2. 211 



Apothecia 2 — 4 ( — 7) aggregata, partim crebre sparsa, nitida 

 aut opaca. Hyphae fuscae e basi perithecii excrescentes crass. 

 0.oo4 — 0.oo5 mm, crebre septatae, subconstricte articulatae, ramosae. 

 Nucleus jodo non reagens, metaplasmate rubescente. Asci long. 

 0.055 — 0.070, crass. 0.oi6 — O.020 mm. Paraphyses sat numerosae, 

 long. O.015 — O.035, crass. O.0015 — O.001 mm, simplices aut parce 

 ramulosae, increbre septatae (in KHO demum distinctae). Pycnidia 

 fuscofuliginea, hemisphaerica, basi long. O.200, lat. O.uo mm., 

 ostiolo O.015 mm lato. Stylosporae oblongae, rectae, apicibus 

 rotundatis, simplices, decolores, long. O.010 — O.007, lat. O.oois mm. 

 Gonidia desunt. Sporae „long. O.023, crass. O.007 mm" secundum 

 Nyl., „long. 0.019—0.025, crass. O.004 mm" secundum Anzi, cellula 

 inferiore haud aut paullo longiore, saepe 4 — 6 guttulas continentes, 

 haud galatinosae. 



Var. punctuosa Vain. Verrucaria punctiformis *V. pyrenastrella var. 

 punctuosa Vain. Adj. Lich. Lapp. II (1883) p. 193. 



Apothecia numerosissima, crebra, solitaria et parce 

 aggregata vel basi confluentia, macula nigricante tantum 

 raro cincta. 



Distr. Ad corticem Callunae vulgaris prope Lammas- 

 jarvi in Kuhmo in Ostrobotnia Kajanensi (Vain.). 



Apothecia lat. O.150— O.iso mm. Nucleus jodo non reagens 

 metaplasma ascorum rubescens. Asci fusiformi-ventricosi, long. 

 0.030 — 0.040, crass. O.012 — O.014 mm. Sporae long. O.015 — O.020, 

 crass. O.005 — O.006 mm, cellula inferiore haud aut paullo longiore. 

 Forsan est autonoma species. 



Var. maculans (Nyl.) Vain. Verrucaria epidermidis f. maculans Nyl. 

 Lich. Scand. (1861) p. 281; Norrl. Ber. Torn. Lappm. (1873) p. 344. 

 V. punctiformis var. maculans Vain. Adj. Lich. Lapp. II (1883) p. 193. 

 V. epidermidis v. macularis Stizenb. Ind. Lich. Hyperb. (1876) p. 55. 



Mycelium macula obscurata indicatum, hyphis obscu- 

 ratis abundantibus. 



Distr. Ad corticem Betulae et Alni. Nylandia: Bla- 

 barslandet prope Helsingforsiam (V. Nyl.). Ostrobotnia bor.: 

 Oulu (Edvin Nylander). Lapponia Kemensis: In regione 

 subalpina summae montis Sallatunturi (Vain.). Lapponia 

 Enontekiensis: Gunnarinkorva (J. P. Norrlin). Lapponia 

 Inarensis: In regione subalpina montis Hammastunturi (Vain.). 



Intermedia est inter D. punctiformem et D. pyrenastrellam. 

 Sporae 1-septatae, interdum 4-guttulatae, septo fere in medio 

 sporae, long. O.016 — O.023, crass. O.006 — O.007 mm, ovoideo-oblongae, 



