208 E. A. Vainio, Pyrenocarpeae. 



prominente, ostiolo lat. O.030 — O.ow mm. Asci clavati aut 



ventricosi, in apice membrana modice aut bene incrassata. 



Paraphyses parcae, sat obsoletae. Sporae distichae aut 



tristichae, ovoideo-oblongae, 1-septatae, long. O.025 — O.037, 



crass. O.008—O.011 mm, loculis aeque longis, membrana sat tenui. 



Distr. Ad corticem vetustum Betulae ad Muonio in 



Lapponia Kemensi (J. P. Norrlin). 



In specim. orig., ad corticem Ilicis in Britania a Larbalestier 

 lecto, supra descripto, asci long. O.075 — O.090, crass. O.020 mm, 

 paraphyses long. circ. O.020, crass. O.0015 mm, flexuosae, parce 

 ramulosae, haud connexae, nucleus albidus, parcissime resinoso- 

 guttulosus, jodo non reagens, sporae apicibus rotundatis, 1-septatae, 

 demum saepe bene constrictae, decolores aut demum parce morbose 

 obscuratae, strato gelatinoso haud indutae, perithecium epidermide 

 substrati totum obductum, cellulis epidermidis distinctis, pellucidis, 

 hyphis fuscis excrescentibus nullis, conidiis (observante Nyl.) 

 bacilliformibus, rectis, long. O.0035, crass. O.0005 mm, gonidiis 

 nullis. In specimine a Norrlin in Lapponia lecto apothecia lat. 

 O.200— -0.160 mm, hyphis fuscis excrescentibus O.003 mm crassis, 

 crebre constricte articulatis aut parum constrictis, paraphysibus 

 parcis, long. O.025, crass. O.0015 mm, parce ramoso-connexis, sporis 

 ovoideo-oblongis, long. O.023 — O.027, crass. O.009 — O.010 mm, apicibus 

 rotundatis, 1-septatis, loculis aeque longis, membrana modice 

 incrassata, haud gelatinosa, gonidiis nullis. In schedula speci- 

 minis hujus in herb. Nyl. asservati, n. 764, Nyl. conidia delineavit 

 similia et sporas 3-septatas, at in eodem specimine tantum 

 1-septatas vidi. 



9. D. punctiformis (Pers.) Vain. 



Verrucaria punctiformis Pers. Ust. Ann. Bot. XI (1794) p. 19; Ach. 

 Lich. Suec. Prodr. (1798) p. 18; Vain. Adj. Lich. Lapp. II (1883) p. 192; 

 Nyl. Lich. Paris (1896) p. 126. Arthopyrenia punctiformis Arn. Lich. 

 Fragm. X (Fl. 1871) p. 21, Lich. Frank. Jur. (Fl. 1885) p. 271, Lich. 

 Fragm. 35 (1896) p. 37 (haud Mass. Ric. Lich. Crost., 1852, p. 168). A. 

 analepta Mass. 1. c. p. 168 (conf. infra); Th. Fr. Lich. Arct. (1860) p. 272. 

 Didumella analepta Sacc. Syll. I (1882) p. 548. Lichen mijocoporoides 

 Ehrh. PL Crypt. (1793) n. 264, teste Arn. Lich. Fragm. XXIII (1880) p. 566. 



Thallus et hypothallus indistinctus. Apothecia vulgo 

 sat crebra, verrucas formantia subhemisphaericas, fusconigras 

 aut nigricantes, nudas, vulgo haud nitidas. Perithecium 

 fusconigrum, dimidiatum, lat O.ho — O.iso mm, margine ostiolari 

 haud prominente, ostiolo circ. O.020 mm lato. Paraphyses 



