Sticta. 189 



axillis saepe sat latis obtusisque, superne sat laevigatus (saepe 

 concavus), olivaceo- aut testaceo-fuscescens aut glaucescens, so- 

 rediis isidiisque destitutes, subtus fuscescens aut pallescens, to- 

 mento rhizineo crebro, demum sat longo aut longitudine mediocri, 

 cyphellis circ. 0,2—1 millim. latis, medulla alba. Cypliellollasti 

 membrana increbre grosse spinulosa. [Apothecia supra thallum 

 sparsa. Sporae fusiformes, 3 — 1-septatae, long. 0,0 2 2 — 0,0 3 5, crass. 

 0,0 5 — 0,0 7 millim.] 



Ad corticem arboris prope Sitio (1000 metr. s. m.) in civ. 

 Minarum, n. 1158 (sterilis). — Sticta Lenormandi (v. d. 

 Bosch) jam excipulo gonidiis destituto ab hac specie differt. — 

 Thallus circ. 50 — 100 millim. latus, superne glaber, nitidulus aut 

 subopacus. Stratum corticate superms circ. 0,0 5 millim. eras- 

 sum, e seriebus circ. 4 cellularum formatum, grosse pseudo- 

 parenchymaticum (cellulis in serie summa minoribus). Stratum cor- 

 ticate inferius series 2 (—3) cellularum continens. Rhizinae hy- 

 phis fasciculatis, cohaerentibus connatisve, haud constrictis. Go- 

 nidia nostocacea, caeruleo-virescentia, cellulis circ. 0,0 4 millim. 

 crassis, moniliformi-concatenatis, glomeruloso-intricata, pariete 

 communi gelatinoso circ. 0,00 3 — 0,002 millim. crasso. [Apothecia 

 2 — 1 millim. lata, disco fusco aut rufo, margine tenui, gonidia 

 haud continente. Excipulum extus tomentosum, solum in basi 

 apothecii sat parce gonidia continens. Hymenium circ. 0,120 

 millim. crassum, jodo persistenter caerulescens. Paraphyses sat 

 arete cohaerentes, 0,ooi5 millim. crassae, apicem versus sensim 

 leviter incrassatae. Sporae decolores, rectae, apicibus acutiuscu- 

 lis.] Cyphelloblasti globosi, diam. 0,oio— 0,0 7 millim., spinulis 

 vel verruculis cylindricis, 0,ooi — 0,0 2 millim. longis increbre 

 exasperati. 



Sect. 2. Eustictina Wainio. Gonidia nostocacea. Apothecia 

 gonidiis destituta. 



3. St. Weigelii (Ach.) Wainio. St. damaecornis 0. S. Wei- 

 gelii Ach., Lich. Univ. (1810) p. 446 (hb. Ach.). St. quercizans Del., 

 Hist. Stict. (1822) p. 84, tab. 7 fig. 26; Tuck., Syn. North Am. 

 (1882) p. 98; Krempelh., Fl. 1876 p. 62. Stktina Nyl., Syn. Lich. 

 (1858—60) p. 344; Mull. Arg., Lich. Beitr. (Fl. 1881) n. 238, (1882) 

 n. 397. — ,,Lobaria quercizans varietas sterilis marginibus pannoso- 



