E. WAINIO, LICHENES PROPE PITLEKAF COLLECTI. 159 





'h. Fr.. Lich. Arct. (1800) p. 269, Lieh. Spitsb. 

 (IS<)7) p. 49; Deichm. Hranth, Lich. Nov.-Zeml. (1885) p. 77; 

 Deichm. Braiith et Groenl., Groenl. Lich. (1888) p. 511. 



\'ar. riparia (Xyl.) Wain. V. margacea f. riparia Nyl., 

 Lich. Lapp. Or. (1866) p. 170. V. riparia Nyl., Enum. Lich. 

 Fret. Behr (1888) p. 16, 42. 



Thallus verrucoso-areolatus, areolis partim convexis, di- 

 spersis aut partim contiguis, fusco-nigrantibus aut olivaceo- 

 fu.'^cescentibus, hypothallo nigro hinc inde visibiH. Perithe- 

 lium globosum, fusco-nigrum, integrum. Sporae oblongae aut 

 pr. p. elUpsoideae, apicibus obtusis aut rotundatis, long. 0,012 — 

 (».022, crass. 0.005 — 0,008 millim. — Gonidia pleurococcacea, 

 mediocria, vulgo simplicia, interdum 4-cellulosa. Nucleus glo- 

 bosus, jodo violascens aut primum levissime glaucescens. Peri- 

 physes numerosae, constipatae, crebre septatae, simplices. long. 

 0,020 — 0,030, crass. O.ooiö millim. Paraphyses parcae, mem- 

 brana in gelatinam dissoluta, tubulis tenuibus, distinctis. Asci 

 ventricosi aut cylindrico-ventricosi. Sporae 8:nae, distichae, 

 simplices, decolores, saepe guttulas nonnullas continentes. 

 Thallus sat crassus aut crassitudine mediocris. — Etiam in spe- 

 cim. orig. (Fellm., Lich. Arct. n. 217, in mus. Fenn.) thallus 

 sat crassus aut crassitudine mediocris, cinereo-fuscescens aut 

 partibus loco magis umbroso crescentibus atypicisque tenuior 

 et sordide albicans. 



Ad saxa granitica et gneissacea in peninsula Jinretlen. 

 Pert. 



2. V. maura Wahlenb. apud Ach., Meth. Lich. Suppl. 

 (1803) p. 19; Th. Fr., Lich. Arct. (1860) p. 268 (excl. var.), 

 Lich. Spitsb. (1867) p. 49; Nyl., Lich. Scand. (1861) p. 273, 

 Enum. Lich. Fret. Behr. (1888) p. 16, 42, 51; Rothr., List Lich. 

 Alaska (1884) p. 9; Almqu., Lich. Kust. Beringsm. (1887) 

 p. 525; Deichm. Branth et Groenl., Groenl. Lich. (1888) p. 

 510; Arn., Lich. Fragm. 35 Neufundl. (1896) p. 37; Cumm., 

 Lich. Alaska (1904) p. 71. Liihoicea Arn., Lich. Fragm. XXIX 

 (1888)p. 19. 



F. aractinoides Wain. 



Apothecia verrucas elevatas, thallo obductas, basi saepe 

 demum sat abruptas formantia, apice haud raro demum im- 

 presso. Thallus niger, laevigatus. — Gonidia pleurococcacea, 

 interdum 2 — 4-cellulosa. 



Thallus sat tenuis aut rarius mediocris, continuus aut de- 



