T 4j; - 





a ^ 



Vr ^ ^ ^ 



4^ - 



f '^ 



I 





y 



836 



lactideum; apothecia Vi ^^'^'*- 1^^, hemisphaerica, ob vestimen- 

 turn thallinum valde tenue impure nigra, dimidiata, basi exiror- 

 sum in annulum v. disculum cingentem applanatum diainetro 

 ^2 mm. aequantem concolorem dilatata; paraphyses capillares ; 

 asci lineares, 8-spori, 5 ^m lati; sporae hyalinae, 8 — 10 jM longae, 



3 fi latae, fiisiformi-ellipsoideae, 2-loculares5 in ascis im- 

 bricatim uniseriales v. sabinde apposite 1-seriales. — 



3- 37 



L« H 



— Species 



forma apotheciorum basiinsigniter submembranaceo-dilatatorum 

 peculiaris est. — Crescit in foliis Farameae micranthae Mull. 

 Arg. (Rubiac.) prope Rio de Janeiro (in Glaziovii n. 6561), nee 

 non in foliis Lauraceae cujusdam in insula Borneo (in Beccarii 

 n, 1545); verisimiliter in tropicis sat vulgaris. 



665. Porina (s. Sagediasirum) nitidula Miill. Arg. Thallus 

 tenuissimus , suborbicularis , arete adnatus, demum secedens, 

 olivaceus , opacus , laevigatus , areolae gonidiales 1 Va — 2-plo 

 longiores quam latae^ subirregulariter parallelogrammicae; pe- 

 rifchecia nigra, elato-hemisphaerica, ^|=^ mm, lata, apice obtusa 

 et vulgo integra, basi leviter thall6 vestita, caeterum tota nuda 

 et nitida, basi recte truncata attenuata, v. etiam dimidiata, so. 

 basis deticiens; paraphyses capillares; asci angusti, 8-spori; 

 sporae hyalinae, 18—30 jM longae, 3Vi"5 ^ latae, fusiformes, 

 utrinque obtusae, aequaliter(l— )5.septatae. — Perithecium sub 

 microscopio subreticulaiim cellulosum et coeruleo-nigricans. 

 Foliicola prope Apiahy in Brasilia: Puiggari, et in foliis Smi- 

 lacis solanifoliae prope Caracas: Dr. Ernst. 



666. Porina (s. Sagediasirum) Begoniae Miill. Arg. Thallus 

 tenuissimus^ olivaceus, demum evanescens; systema gonidiale 

 phyllactideum ; apothecia Yk, mm. tantum lata, elato-hemisphae- 

 rica, nuda v. inferne thallino-velata, opaca v. demum superne 



nitidula , nigra, inferne hyalina; paraphyses capillares; 

 asci angusti, 8-spori; sporae hyalinae, fusiformes. utrinque acu- 

 tiusculae, 5-septatae, 20—22 |jt longae, 4V2— 5 ^ latae. — Sub- 

 similis P. niiidulae, quacum sporis fere convenit, sed valde mi- 

 crocarpa et apothecia vix aut non nitida, Cellulae perithecii, 

 praesertim circa ostiolum et in parte adjacente similiter ac in 

 ilia et in P. atrocoerulea coeruleo-nigrae. — In Brasiliae Serra 

 dos Orgaos in foliis Begoniae fruticosae, in specim. Lhotsky 

 n. 122. 



667. Porina (s. Sagediasirum) atrocoerulea Miill. Arg. Thallus 

 latiusculus, continuus, polito-laevigatus, pallide olivaceus, demum 

 desquamescendo-secedens ; systema gonidiale pulchre phyllacti- 



