353. 



A. ZAHLBRUCKNER 



cinereus (hyphis dense inspersis), infra hymenium leviter inflexum; hypothecium 

 crassiusculum, decolor, ex hyphis intricatis formatum, molle; hymenium su- 

 perne sordide fuscescens et pulverulentum, N0 5 non tinctum, KHO particulae 

 pulveraceae dissolvuntur, caeterum decolor, purum, I intense violaceo-coeruleum, 

 demum aeruginoso-sordidescens, 70-85 fx altum; paraphyses filiformes, strictae, 

 simplices, eseptatae, ad apicem vix latiores, conglutinatae; asci oblongo-clavati, 

 hymenio subaequilongi, recti, ad apicem rotundati et membrana primum bene 

 incrassata cincti, 8-spori; sporae in ascis biseriales, decolores, simplices, elli- 

 psoideae vel ovali ellipsoideae, rectae, parvae, 8,5—9 ! x longae et plus minus 4 jj. 

 latae, membrana tenui cinctae. 



Conceptacula pycnoconidiorum minuta, vertice convexo, nigro, nitidulo 

 prominula; perifulcrium dimidiatum, fusco-nigrescens; fulcra exobasidialia; pycno- 

 conidia filiformi-bacillaria, arcuata, rarius hamata, utrinque retusata, 14 — 17 [j. 

 longa et ad 1 {i lata. 



Masatierra: niedriger Felsriicken am Siidabhang von Tres Puntas und 

 auf dem unweit davon gelegenen »Vogelgipfel», 380 m, an Felswanden (C. und 

 I. Skottsberg). 



Der chilenischen Lecidea aeruginosa Nyl. ziemlich nahe stehend unter- 

 scheidet sie sich von dieser schon durch die Farbe des Lagers. 



*L. inactiva A, Zahlbr. nov. spec. 



Thallus epilithicus, crustaceus, uniformis, sat late expansus, versus am- 

 bitum attenuatus, in centro crassior et ibidem usque I mm crassus; stramineo- 

 vel isabellino-pallescens vel cremicolor, opacus, KHO e flavo subaurantiacus, 

 Ca C1 2 2 non tinctus, KHO + Ca C1 2 2 sordide subaurantiacus, minute verru- 

 culoso-areolatus et praeterea irrugulariter rimosus, areolis 0,2 — 0,5 (0,7) mm latis, 

 in centro thalli continuis et convexis, in ambitu thalli paulum dispersis et hypo- 

 thallo tenuissimo, albido insidentibus, ad ipsum ambitum linea nigra tenuique 

 cinctus, sorediis et isidiis destitntus; medulla alba, tartarea, I — . 



Apothecia lecideina, primum thallo arete adpressa, demum sessilia, dispersa 

 vel hinc hide approximata et dein subirregularia, parva, 0,3 — 0,6 (0,7) mm lata, 

 planiuscula vel demum convexiuscula, nigra, opaca; discus niger, epruinosus; 

 margo proprius primum valde tenuis, haud prominulus, integer, demum de- 

 pressus et indistinctus; excipulum integrum, fusconigrum. infra hymenium crasse 

 productum; hymenium superne anguste aeruginoso-nigricans vel nigricans, non 

 inspersum, KHO — , N0 5 obscure coeruleum, caeterum pallide coerulescens et 

 purum, 90 — 100 \x altum, I coeruleum; paraphyses filiformes, strictae, contextae, 

 simplices et eseptatae, ad apicem clavato-capitatae et obscuratae; asci hymenio 

 subaequilongi, oblongo-clavati, ad apicem rotundati et membrana incrassata 

 cincti, 8-spori; sporae in ascis biseriales, decolores, simplices, oblongo-eilipsoideae 

 vel ellipsoideo-ovales, rectae, membrana tenui cinctae, minutae, 8,5 — 10,5 ;jl 

 longae et 4,5-5,5 [x latae. 



Pycnoconidia non visa. 



Masatierra: an Felswanden, Pico Central, 365 m; beim SELKIRK-Derik- 

 mal, 590 m; Cordon Salsipuedes, 465 m und Puerto Ingles (C. und I. SKOTTS- 

 berg). 



