40 MALME, FLECHTEN DER ERSTEN REGNELL'sCHEN EXPEDITION. II. 



14. R. conspersa Mull. Arg. 



Muller Argov. in Flora 1889, p. 511. 



Thallus crustaceus, effnsus, sat tenuis, subcontinuus v. 

 rimoso-areolutns, areolis minntis, planis (raro convexulis), 

 Isevigatus, argillaceo-cinereus, glaucescenti-cinereus v. cinereo- 

 olivaceus, hypothallo indistincto. Apothecia sat sparsa, ad- 

 pressa v. siibinnata (rarius fere adnata), mediocria, 0,33 — 0,75 

 mm. lata; disco atro-purpureo v. rufofusco v. atro, primum 

 concavo, dein persistenter piano; margine sat crasso elevato, 

 integerrimo, disco concolore v. vulgo obscuriore atroque, per- 

 sistente. Hypothecium pallidum; thecium superne fuscescens 

 v. fulvo-fuscescens, KOH immutatum. Sporae in ascis inflato- 

 clavatis 8:nse, ovoideee v. late oblongo-ovoideEe v. ellipsoidese, 

 medio non constrictse, (18 — )20 — 2o(— 25) ,1/ longee, (9 — )11 — 1^^ 

 ( — 15) f.1 crasste, episporio valde et ineequaliter incrassato 

 (mischoblastiomorphse). 



Crusta KOH subimmutata v. + luteseens; stratum corti- 

 cale bene evolutum, ex hyphis tennissimis, crebre septatis, 

 arcte contextis formatiim, parenchymatieum v. superne sub- 

 amorphum; hyphse partis inferioris strati gonidialis söepe in- 

 crassatse et ± moniliformes; gonidia subglobosa, vulgo 9 — 12 

 f.1 crassa; hyphc© medullares J non reagentes, Pars marg-iualis 

 excipnli sat tenuis, vulgo gonidia nulla v. rarius in parte in- 

 feriore nonnulla fovens, vulgo fere tota nigricans, J non 

 reagens; margine proprio haud multum evoluto v. subnullo. 

 Thecium 100 — 125 ^t/ altnm, J persistenter coerulescens; para- 

 physes graciles, circiter 1 f.i crassee, arcte coheerentes, sim- 

 plices v. superne ramosee, apicibus incrassato-clavatee, usque 

 ad 3,5 (.1 crassEB. Sporse utroque apice obtusse v. obtusissimse» 

 diutissime subhyalinee, septo primario sat inconspicuo. 



Habitat ad lapides saxaque preesertim caJcarea, rarius 

 arenaria, vulgo in subhumidis subumbrosisve. 



Specimina reportavimus e Rio Orando do Siil: Hamburger- 

 berg pr. Porto Alegre (18 ^Vio 92. N:o 648 B.), Piratiny pr. 

 oppid. Pelotas (18^^/12 92. N:o 842 B.), Santo Angelo pr. 

 Cachoeira (18 V2 93. N:o 995 B. — 18 V2 93. N:o 1033 B.), 

 excol. Silveira Martins pr. Santa Maria (18 ^°/3 93. N:o 1165 



