Acta Societatis pro Fauna et Flora Fennica, 49, N:o 2. 87 



gelatinosa, sat tenui. Sporae 8:nae, distichae, decolores, apicibus 

 rotundatis obtusisve, simplices et p.p. distincte 1-septatae, „long. 

 O.oh — 0.023, crass. O.oos — O.on mm" (sec. Nyl.). „Gelatina hyme- 

 nea jodo vinose rubens" (Nyl.). Stratum corticale superius circ. 

 0.oi5 — 0.030 mm crassum, plectenparenchymaticum, leptodermati- 

 cum, cellulis globosis, O.005 — O.006 mm latis, a zona gonidiali haud 

 distincte limitatum. Stratum medullare hyphis O.003 mm crassis, 

 leptodermaticis, crebre irregulariter contextis, cellulis oblongis 

 ellipsoideisve, et partim in cellulas subglobosas, O.007 — O.005 mm 

 latas, leptodermaticas divisis, interstitiis disjunctis. Stratum cor- 

 ticale inferius haud evolutum. Gonidia pleurococcoidea, globosa 

 aut subglobosa, simplicia diam. O.006 — O.004 mm (partim 2-cellu- 

 losa observata). Zona gonidialis plectenparenchymatica, in inter- 

 stitiis hypharum verticalium gonidia continens. 



Subtrib. 6. Dictyosporae Vain. 



Thallus crustaceus et gonidia continens aut e mycelio 

 gonidiis destituto constans. Apothecia recta, simplicia, 

 ostiolo mediano instructa. Paraphyses in gelatinam dif- 

 fluxae aut haud evolutae. Sporae ellipsoideae oblongaeve, 

 aut raro aciculari-elongatae, decolores aut demum ob- 

 scuratae, murali-divisae. 



1. Staurothele Norm. 



Conat. Gen. Lich. (N. Mag. Naturv. VII, 1852) p. 28 (240); Th. Fr. 

 Lich. Arct. (1860) p. 263, Gen. Heterol. (1861) p. 107, Polybl. Scand. 

 (1877) p. 3; Zahlbr. Ascol. (1903) p. 53, 56; A. Smith Mon. Brit. Lich. 

 II (1911) p. 310; Zschacke in Hedwigia 1914 p. 183. Sphaeromphale 

 Mass. Gen. Lich. (1854) p. 15 (haud Reichenb. Consp. Regn. Veg., 1828, 

 p. 20); Koerb. Syst. Lich. Germ. (1855) p. 334, Par. Lich. 4 Lief. (1863) 

 p. 331; Winter Ueb. Gatt. Sphaer. (Pringsh. Jahrb. Bot. X, 1875) p. 245. 

 Stigmatomma Koerb. Syst. Lich. Germ. (1855) p. 337, Par. Lich. 4 Lief. 

 0863) p. 329; Arn. Lich. Munch. (1891) p. 108. 



Thallus crustaceus, uniformis. Apothecia simplicia, 

 gonidiis hymenialibus instructa. Perithecium rectum, osti- 

 olo mediano. Gelatina hymenialis jodo reagens. Paraphyses 

 in gelatinam dissolutae. Sporae in asco 8:nae aut vulgo 

 pauciores, demum obscuratae pallidaeve aut raro persisten- 

 ter decolores, murales. Gonidia pleurococcoidea. 



