Acta Societatis pro Fauna et Flora Fennica, 53, N:o 1. 325 



(sec. annot. Nyl. O.023 — O.032 mm), crass, circ. O.012 — O.ou mm 

 (—0.018 mm sec. annot. Nyl.), 1-septatae. 



Distr. Ad saxa gabbroitica et granitica in montibus 

 rara. Lin.: In reg. subsylvat. sup. ad Edlehjarvi (F. Silen, 

 H. L. F. n. 345). KKer. : In reg-. subalp. montis Kivakka 

 (Vain. 1. c). 



Thallus sat tenuis, squamis interdum, zona gonidiali fere 

 totis impletis, jodo baud distincte reagentibus. Hypothallus KHO 

 sordide violaceo-fuscescens. Apothecia vulgo areolis immixta, 

 lat. circ. 1 — O.5 mm. Peritiiecium rubricoso-fuligineum. Hypo- 

 thecium fusco-nigricans. Hymenium circ. O.ioo mm crassum, 

 jodo caerulescens. Epithecium rubricoso-fuligineum, KHO di- 

 stinctius violascens. Paraphyses gelatinam abundantem percur- 

 rentes. Sporae medio vulgo demum leviter constrictae, strato 

 gelatinoso crasso indutae. Gonidia cystococcoidea, simplicia, 

 globosa, diam. O.007 — O.ou mm, aut ellipsoidea et long. O.016 — O.012, 

 crass. 0.009 mm, membrana sat tenui, vacuolis lateralibus. — Facie 

 externa subsimile est Rh. leptolepidi Anzi. 



29. Rh. badioatrum (Floerk.) Th. Fr. 



Lich. Scand. II (1874) p. 613. Lecidea baciioatra Floerk. in litt. 

 1815 sec. Schaer. Lich. Helv. Spic. Ill (1828) p. 129; Schaer. Naturw. 

 Anz. Aug. 1818 p. 9 n. 6; Sprang. Neue Entd. 11(1821) p. 95; Nyl. 

 Lich. Mont-Dore (1856) n. 53, Prodr. Lich. Gall. (1857) p. 375 (129) emend., 

 Lich. Scand. (1861) p. 233; Vain. Adj. Lich. Lapp. II (1883) p. 127. 

 Lichen atroalbus Wulf. in Jacq. Collect. Bot. II (1788) p. 185 n. 181 

 (tab. XIV f. Dp. p. (sec. Arn. Zur Erinn. Wulf., 1882, p. 149, L. atro- 

 albus L., Spec. Plant. II, 1753, p. 1141, exactius haud cognitus). Lecidea 

 atroalba Fr. Lich. Suec. Exs. XIII (1827) n. 382 B p. p. (sec. Th. Fr.), 

 haud Ach. L. atroalba Flot. -i. grandis Plot, in Zwackh Lich. Exs. (1853) 

 n. 202. L. atroalba Nyl. Prodr. Lich. Gall. (1857) p. 375 (129) p. p., Lich. 

 Scand. (1861) p. 233 p. p., Lich. Paris (1896) p. 99. L. inciisa Fr. Syst. 

 Orb. Veg. (1825) p. 286 sec. Th. Fr., haud Ach. Syn. Lich. (1814) p. 33 

 (sec. speciin. orig. n. 152 a, a Schleich. missum, ad Acarosporam fuse. 

 var. smaragdulam pertinens, conf. etiam Th. Fr. 1. c. p. 615). Verrucaria 

 cinereoatra Hoffm. Deutschl. Fl. II (1796) p. 182 ad L. atroalbum Wulf. 

 spectat. 



Thallus crustaceus, uniformis, areolatus aut verrucosus, 

 fuscescens aut cervinus aut olivaceus aut cinerascens, vulgo 

 haud pruinosus, esorediatus, intus albus, nee KHO, nee jodo 

 reagens, hypothallo nigricante, Apothecia sat parva, vulgo 



