BIHANG TILL K. SV. VET -AKAD. HANDL. BAND 28. AFD. III. N:0 1. 37 



13. R. Reg-nellii Malme n. sp. 



Tlialliis crustaceiis, effusus, sat tennis, verriiculoso-granu- 

 latiis v. fere isidiosus, fusco-cinereiis v. cdnereo-brunneolns, 

 hypothallo nigricante. Apothecia sat sparsa v. + conferta, 

 adnata v. adpressa, sat parva, (0,35 — )0,5 — 0,75 mm. lata; disco 

 atro v. cinnamomeo-nigricante, primnm concavo, dein persi- 

 stenter piano, rariiis demum convexnlo; margine subinteger- 

 rimo primum valde elevato, sat crasso, thallo concolore, dein 

 extenuato obscurascenteque, persistente. Hypothecium palli- 

 dum; thecium superne fulvo-fuscescens, KOH immntatum. 

 Sporje in ascis clavatis 8:nce, dyblastse, late ellipsoidese v. 

 rarins ovoidece, medio non constrictee, (14 — )16 — 18( — 20) fi 

 longee, 8 — 10 u crassce, episporio sat incrassato. 



Crusta KOH immntata; hyphse medullares J non reagen- 

 tes; gonidia subglobosa, 7 — 10( — 13) f.i crassa. Pars margiualis 

 excipuli sat crassa, gonidia numerosa fovens; strato corticali 

 inferne mediocri v. sat crasso, superne atteniiato, J non rea- 

 gente; margine proprio haud mnltum evoluto v. subnullo. 

 Thecium circiter 75 u altum, J persistenter coerulescens; para- 

 physes sat graciles, circiter 1,25 /.i crassse, superne arcte cohse- 

 rentes, ceterum sat facile liberse, simplices v. superne nonni- 

 hil ramosse, apicibus capitato-clavatfe, clava brevissima, usque 

 ad 3 u crassa. Sporae utroque apice obtusse, mox fuscescentes, 

 loculis subglobosis v. sublenticularibus, approximatis (rarissime 

 distantibus et tubulo conjunctis). 



Habitat ad rupes arenarias sat apricas. 

 Specimina reportavimus e Rio Grande do Sul: prope Santa 

 Maria da Bocca do Monte (18 ^ ö 93. N:o 1308.). 



Nulli specierum brasiliensium arcte affinis. Habitu europseam R. mil- 

 vinam (Wahlenb.) Th. Fr. nonnihil in memoriam revocat, absqua thecio minns 

 alto, sporis minoribus, medio numquam constrictis etc. differfc. 



R. sp. (E. Begnellii Malme peraffinis.) 



Tlialliis crustaceus, sat tennis, + disperse verrucosus v. 

 verrncoso-areolatns, cinerens v. fuscocinereus, hypothallo atro. 

 Apothecia sat conferta, adnata, sat parva, 0,25 — 0,5 mm. lata; 



