222 E. A. Vainio, Pyrenocarpeae. 



Sorbi in Selkasaari in par. Simo in Ostrobotnia bor. (V. 

 Rasanen). 



Perithecium plectenparenchymaticum, cellulis brevibus, an- 

 gulosis, lat. 0.010—0.005 mm, irregulariter dispositis, stratum 

 simplicem formantibus, fuscis, apertura circ. O.014 — O.020 mm lata. 

 Nucleus albidus, haud resinoso-guttulosus, jodo non reagens, meta- 

 plasmate ascorum jodo fulvo-rubescente aut subrubescente. Para- 

 physes simplices, crass. O.0005 mm, conglutinatae. Asci long. circ. 

 0.070, crass. O.010 mm, membrana sat tenui aut primum modice 

 incrassata. Sporae 8:nae, distichae, medio leviter constrictae, 

 1-septatae, septo fere in medio sporae, demum saepe loculo cras- 

 siore adhuc septo transversim diviso, guttulas nonnullas oleosas 

 saepe continentes. 



Obs. 1. Proxime af finis Didymocyrtidi physciicolae (Mycopomm 

 physciicola Nyl., Fl. 1873 p. 299), quae sporis 1-septatis, long. O.010— 

 O.013, crass. O.004 — O.ooe mm, ascis subventricoso-oblongis clavatisve, long, 

 circ. 0.042 mm, et paraphysibus parcissimis ab ea differt, ad Xanthoriam 

 parietinam crescens (in Gallia). 



Obs. 2. „Mycoporum epistygium Nyl." in Brenn. Bidr. Hogl. 

 Lafv. (1885) p. 130 (Arn. Lich. Fragm. 34, 1895, p. 8, Vouaux Bull. Soc 

 Myc. Fr. 1913 p. 127), maculas nigricantes in thallo Parmeliae stygiae 

 formans, exactius haud cognitum. In specimine orig. n. 34368 in herb. 

 Nyl. tantum apothecia nucleo destituta vidi. Apothecia prominentia, 

 hemisphaerica, lat. O.oeo mm, crebra, partim subcontigua, nigra, sub 

 microscopic) fusconigra, plectenparenchymatica. Mycelium ex hyphis 

 fuscescentibus O.002 mm crassis formatum. Sec. Nyl. est Moriola in 

 sensu Normaniano. 



3. Cyrtidula (Minks) Vain. 



Minks Beitr. Kenntn. Flecht. I (Verh. K. K. Zool.-Bot. Ges. 

 Wien 1876) p. 519 (36) p. p., Lich. Cyrtid. (Rev. Myc. 1891 n. 50) p. 1 p. p.; 

 Vain. Etud. Lich. Bres. II (1890) p. 236; Zahlbr. Ascol. (Engl. Naturl. 

 Pflanzenfam. 217 Lief., 1903) p. 78. Mycopomm Nyl. Lich. Scand. (1861) 

 p. 291 p. p. 



Genus gonidiis destitutum, ad fungos pertinens. Apo- 

 thecia simplicia solitariaque aut aggregata confluentiave, 

 substrato velata aut nuda. Perithecium obscuratum, rectum, 

 fissuris aperiens. Paraphyses haud evolutae. Sporae 8:nae, 

 decolores, submurales. Nucleus jodo non reagens. 



1. C. ptelaeodes (Ach.) Minks 



Lich. Cyrtid. (1891) p. 6 (excl. Mycoporo elachistotero Nyl.); Jatta 

 Fl. It. Crypt. Ill p. 908. Verrucaria punctiformis ./. V. ptelaeodes Ach. 



