■■■■■^., 





'\^ , 



1 H 



^ L 



■-J ' 







' ." * ' 



;■ 



r- 



v' ^ '-^' 



> ; t ^- 



' ^1 ^',''\\ 





335 



cium cellulis multo brevioribas minus elongato-radiantibus for- 

 mata sunt. — Prope Caracas ad folia Smilacis solanifoliae (cum 

 Ponna rw6zcofore separatim crescente): Dr. Ernst, et prope Apiahy 

 in Brasilia: Puiggari. 



661. Porina (s. Segestrinula) fukella Mull. Arg. Thallus te- 

 nuissimus, laevigatus, flavescenti-cinereus v. pallescenti-olivaceus, 

 phjllactideo-gohidialis ; apothecia 7^ — y^ mm. lata, dimidiata, 

 depresso-hemisphaerica, fulva v. argillaceo-fulva, nonnihil thal- 

 lodice velata, thallo tamen discolora, submembranacea , facie 

 interna albida, sfcrato medio virentia, ore inte^ra v. demum 

 minute umbilicata ; nucleus hyalinus ; parapliyses capillares ; 

 asci 8-spori; sporae liyalinae, 22^-25 ^ longae, 4 ^w latae, fusi- 

 formes, utrinque acutiusculae, 4-loculares, loculi aequilongi, 

 Prope P. rubicolorem locanda, ubi apothecia aliter colorata, 

 Spermatia lineari-ellipsoidea, recta v. Subrecta, 8 fi longa, 3 [Jt 

 lafa. — Foliicola prope Apiahy in Brasilia: Puiggari. 



662- Porinae sect. Sagediastrum Miill. Arg» Systema goni- 

 diale thalli phyllactideum ; apothecia nigra. — Species omnes 

 in foliis crescentes. 



663. Porina (s. Sagediastrum) phyllogena Miill. Arg. Thallus 

 tenuissimus, olivaceo - virens v. obscure olivaceus , continuus, 

 opacus; gonidia pulchre phyllactidea ^ cellulis elongatis confer- 

 voideis paullo nodulosis et peripheriam versus discreto-radian- 

 tibus formatus; apothecia 74 ^m. lata, dimidiata, late conico- 

 hemisphaerica, basi extrorsum acutata, atra, nonnihil thallino 

 velata et opaca, madefacta tamen nitidula; nucleus hyalinus; 

 paraphyses capillares, asci angusti, 8-spori; sporae in ascis ob- 

 lique subimbricatim uniseriales aut subbiseriales , hyalinae, 

 8 — 12 [i, longae, 27a — ^Va j" latae, ellipsoideo-fusiformes, vulgo 

 utrinque acutiusculae, subaeqnaliter biloculares (stylosporae 

 3 — 4 II longae, 2-loculares, utrinque obtusae, spermatia circ. 

 15 jx longa et ^/g ^ lata, recta). — Species in foliis subcoriaceis 

 et in Filicibus majoribus communis, prope Rio de Janeiro 

 (Glaziou n. 3267 B pr. p.), et ibidem in foliis Diplazii (in Vau- 

 thier n. 64), prope Apiahy: Puiggari n, 1035 et divers, al. num. 

 pr, p., nee non in foliis Piperis in montanis Mexici prope Vera 

 Cruz (in Galeotii n. 6001). — Spermogonia sat frequenter occur- 

 runt et apotheciis circ. triente v. fere duplo minora sunt. 



664. Porina (s. Sagediastrum) platypoda Miill. Arg, Thallus 

 eximie tenuis, sub lente maculam pallide olivaceo-fuscescentem 

 laevissimam formans, systema gonidiale pr. p. relaxato-phyl** 



r-.i 



