82 E. A. Vainio, Pyrenocarpeae. 



pressis neque adnatis, rhizinis nonnullis, circ. 5 — 2 mm longis, 

 0.3—0.1 mm crassis, ramosis, obscuratis, ex hyphis conglutinatis 

 formatis, hyphis hypothallinis obscuratis aut decoloribus, haud 

 conglutinatis. Apothecia thallo immersa, macula minuta nigri- 

 cante indicata aut vertice demum leviter prominente et verru- 

 culam 0.2 — 0.15 mm latam obscuratam formante. Perithecium 

 fuscum vel fusco-nigrum, integrum, globosum, lat. 0.25 — 0.4 mm. 

 Nucleus jodo violascens aut (in specim. ad Ruskeakallio lecto) 

 non reagens. Periphyses numerosae, constipatae, long. O.ois — 

 0.040, crass. O.oois — O.003 mm. Paraphyses in gelatinam diffluxae, 

 striis indicatae. Gonidia hymenialia simplicia, diam. O.003 — O.002 

 mm, globosa, aut raro long. O.003 et crass. O.002 — O.0025 mm, saepe 

 etiam 2-cellulosa. Asci ventricosi. Sporae primum decolores, dein 

 mox sordide rufescentes fuscescentesve, ellipsoideae oblongaeve, 

 apicibus rotundatis, murali-divisae, cellulis numerosissimis, long. 

 O.030 — 0.058, crass. O.012 — O.028 mm, membrana haud gelatinosa. 

 Stratum corticale superius thalli crass. 0. 020— 0. 025 mm (in Rabenh. 

 1. c. n. 609 O.030 — O.040 mm crassum), plectenparenchymaticum, 

 leptodermaticum, cavitatibus cellularum O.oos — O.004 mm latis, 

 rotundatis, saepe strato subamorpho aut magis pachydermatico, 

 O.006 — O.004 mm crasso obductum. Stratum medullare totum cel- 

 lulis globosis, O.011 — O.007 mm latis, concatenatis, leptodermaticis, 

 interstitiis disjunctis, hyphis subcylindricis, O.003 mm crassis parcis 

 intermixtis, parte inferiore gonidiis destituta tenui. Stratum cor- 

 ticale inferius haud evolutum. Gonidia pleurococcoidea, globosa, 

 simplicia diam. O.oos — O.005 mm, partim bicellulosa. 



Obs. Verrucaria Garovaglii var. incrustans Nyl. Prodr. Lich. Gall. 

 (1857) p. 425 (179), Exp. Pyrenoc. (1858) p. 20, Lich. Paris (1896) p. 8, 

 117 sec. specim. orig. n. 3592 in herb. Nyl. thallo superne testaceo- vel 

 fuscescenti-pallido, subtus pallido, rhizinis ornato, partim crustaceo- 

 concrescente, conidiis „pistillaribus, long. O.0035, crass. O.0006— O.0007 mm, 

 sterigmatibus subsimplicibus et vix nisi 2-articulatis" (sec. Nyl.) in- 

 structa, forsan in E. pusillum Hedw. transit. Sec. Nyl. est Verr. sore- 

 diaia Borr. Engl. Bot. Suppl. (1829) tab. 2912 f . 2 (Endocarpon soredia- 

 tum Hook., Leight. Brit. Angioc. Lich. p. 18, tab. V f. 2). Dermatocar- 

 pon glomeruliferum Mass. Mem. Lich. (1853) p. 141 (Anzi Lich. Rar. Ven. 

 n. 118) thallo subtus nigricante ab his differt. 



4. E. psorodeum (Nyl.) Th. Fr. 

 Enum. PI. Scand. (1880) p. 97. Verrucaria psorodea Nyl. Lich. 

 Lapp. Or. (1866) p. 188; Norrl. Fl. Kar. Oneg. II (1876) p. 38, Symb. 

 Fl. Ladog.-Kar. (1878) p. 32. Verrucaria pallida *V. psorodea Nyl. 1. c; 

 Stizenb. Lich. Helv. (1882) p. 231. Dermatocarpon psorodeum Vain. Adj- 

 Lich. Lapp. II (1883) p. 165. 



