20 E. A. Vainio, Pyrenocarpeae. 



Coos — O.004 mm latis. Zona gonidialis subplectenparenchymati- 

 cum, leptodermaticum, seriebus cellularum verticalibus. Gonidia 

 pleurococcoidea. Stratum medullare hyphis O.003 mm crassis, 

 leptodermaticis, irregulariter crebre aut sat crebre contextis, 

 partim crebre septatis. Stratum corticale inferius O.070 — 0. 100 mm 

 crassum, plectenparenchymaticum, cavitatibus cellularum O.012 — 

 O.oos mm latis, membranis leviter pacbydermaticis aut modice 

 incrassatis. Perithecium vertice rufescente. Nucleus jodo ful- 

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

 0.040, crass. O.002 mm, parce septatae. Paraphyses diffluxae. 

 Asci cylindrici, long. circ. O.oso, crass. O.014 mm, membrana 

 gelatinosa, modice incrassata. Sporae 8:nae, monostichae aut 

 distichae, simplices, decolores, apicibus rotundatis, long. O.011 — 

 O.14 (sec. Nyl. „ — O.ois") mm, crass. O.006 — O.oos („ — O.009") mm. 

 Conidia „oblonga, recta, long. O.003, crass. O.001 mm" (Gliick 

 Entw. Flecht.-sperm. p. 88, 92), aut „long. O.0021 et crass. O.0013 

 mm" (sec. Lindsay ad Schaer. Lich. Helv. Exs. n. 115, conf. Arn. 

 Lich. Munch, p. 108). 



Obs. „Endocarpon rufescens f. lachneum" Ach." in Nyl. Lich. 

 Lapp. Or. p. 188 (et in Norrl. Ber. Torn. Lappm. p. 347, Fl. Kar. Oneg. 

 II -p. 38) ad statum, squamis magis adpressis, superne fuscescentibus 

 aut subtestaceo-variegatis, subopacis, planiusculis instructum, spectat, 

 at Lichen lachneus Ach., Lich. Suec. Prodr. p. 140, sec. specim. orig. e 

 Suecia squamis testaceo-fuscescenti- et pallido-glaucescenti-variegatis 

 („fuscovirescentibus"), ambitu leviter adscentibus, subconcavis („in- 

 cumbentibus") instructus est. 



8. D. hepaticum (Ach.) Th. Fr. 



Lich. Arct. (1860) p. 255; A. Smith Mon. Brit. Lich. II (1911) 

 p. 270. Endocarpon hepaticum Ach. Lich. Univ. (1810) p. 298 p. p. 

 (conf. infra); Nyl. Prodr. Lich. Gall. (1857) p. 176 (422) p. p., Exp. 

 Pyrenoc. (1858) p. 15 p. p., Lich. Scand. (1861) p. 265, Lich. Pyr. Or. 

 (1891) p. 51, Lich. Par. (1896) p. 116; Jatta Fl. It. Crypt. Lich. (1911) 

 p. 789. Endopurenium hepaticum Koerb. Parerg. Lich. (1863) p. 302. 

 Placidium hepaticum Arn. Lich. Tirol IV (1869) p. 616, XXI (1880) 

 p. 145, XXX (1897) p. 34, Lich. Frank. Jur. (Fl. 1885) p. 237, Lich. Munch. 

 (1891) p. 108. Endocarpon Hedwigii Leight. Brit. Angioc. Lich. (1851) 

 p. 14 p. p., tab. Ill f. 3 (non Ach. Lich. Suec. Prodr., 1798, p. 140). 

 Endopurenium pusillum Tayl. in Mackay Fl. Hib. II (1836) p. 99 (non 

 Endocarpon pusillum Hedw. Descr. Muse. Frond. II, 1788, p. 56); 

 Schwend. Unters. Flecht. II (1863) p. 188, tab. 10 f. 8. Verrucaria tra- 

 peziformis Schrad. Syst. Samml. II (1797) n. 172 (forsan non L. trapezi- 

 formis Zoega in Dicks. PI. Crypt. II, 1790, p. 22). 



