— 182 — 



et nudiora, i. e. usque ad basin partis emersae nuda, nec inferne 

 annalari-thallino-cincta, et verticaliter secta non sunt latera- 

 liter rhombeo-diiatata. — Gorticola prope Guarapî : n. 2794. • 



228. Porina (s. Sagedia) Zantiioxyli Mùll. Arg.; thallus macula 

 pallida indicatus; apothecia nigra, sessilia, nano-hemisphaerica, 

 basiieviter deplanata ibique subvelata; perithecium basi nnllum, 

 caeterum nigrum, sub microscopîo aeruginoso-atrum, basi patenti- 

 apertum, diametro 1/4-1/3 mm. aequans (demain supra annulum 

 basilarem persistentem circumscisso-rumpens et deciduum); para- 

 physes capillares; sporae in ascis biseriatim 8-nae, 21-21 y. longae, 

 (3 a latae, cylindrico-ellipsoideae, utrinque late obtusae, aequaliter 

 4-loculares. — Juxta transwaalensem P. albeltam Mull. Arg. lo- 

 canda est, a qua differt thallo, et sporis (ut in Arthopyrenia cata- 

 pasta Mùll. Arg.) multo robustioribus utrinque late obtusis. — Ad 

 aculeos Zantiioxyli prope Paraguari : n. 3186. 



229. Porina (s. Sagedia) cestrensis Mûll. Arg. L. B. n. 670; 

 Sagedia cestrensis Tuck. Gen. p. 265, — Satis ludit magnitudine 

 apotheciorum. — Gorticola in Gerro San Tomas, et ad truncos 

 Jatrophae Curcadis prope Asuncion. 



230. Glathroporina leioplaca Mùll. Arg.; thallus glauco-albi- 

 dus, tennis, laevigatus, demum minute rimulosus; apothecia verru- 

 cis thallinis concoloribus depresso-h misphaericis laevigatis omnino 

 inclusa, ostiola punctiformia, fusco-nigra; perithecium praeter .api- 

 cem pallidum; paraphyses flaccidae; sporae 50-70 /> longae et 14-18 

 p. latae, late fusiformes, vulgo paullo incurvae, parenchymatoso- 

 multilocellatae, locelliin séries transversales cire. 17-20 dispo- 

 siti, in quaque série 3-4. — Prima fronte exthallo laevigato et ver- 

 î-ucis apotheciigeris r.anis laevigatis basi sensim in thallum abeun- 

 tiluis l'ère Pertusariam leioplacam Schaer, simulât. — (Gorticola in 

 Paraguay. 



231. Glathroporina irregularis Mùll. Arg.; thallus glauco- 

 cinereus, crassiusculus, rugoso-subgranulosus, lineis hypothallinis 

 distinctis destitutus; apothecia mediocria in verrucis thallinis gib- 

 beroso-inaequalibus et irregularibus hine inde varie conliuentibus 

 sitaetusqueadostiolum nigro-fuscumvestixa ; perithecium dimidiatum 

 hyalinum, apice nigrum-, paraphyses capillares; sporae in ascis 

 6-8-nae, 45-50 m longae et 14-16 a latae, late fusiformes, cire. 13-15- 

 loculares, loculi (in axi) 4-5-locellati, locelli cubici. — A congeneri- 

 bus apotheciis irregulariter thallina-duplicatis recedit. Apothecia 

 demum saepe enucieantur et alveolas pallide aurantiacas in verru- 

 cis reliriquunt. — Gorticola in Paraguay. 



232. Arthopyrenia (s. Euarthopyreniaï) atomaria Mull. Arg. 

 Knuni. Lich. Genev. \). 89. — Ah europaea nondiversa. — Gorticola 

 ad Asuncion. 



233. Arthopyrenia [s. Mesopyrenia) Ginchonae (Ach.) Mull. 

 Arg. L. B., n" <J15. — Gorticola ad Asuncion. 



234. Arthopyrenia (s. Mesopyrenia) griseola Mull. Arg.: thallus 

 tciiiiissiiiius, laevis v. demum obsolète rugulosus, cinereo-griseus, 

 margine effùsus; apothecia nano-hemisphaerica, 1 5-l/innn. lata, 

 (ère usque ad basin nuda et nigra, apice vix perspicue ostiolata; 

 perithecium dimidiatum, Itasi patens; paraphyses tenellae cl irre- 

 gulares; sporae in ascis oroideis 8-nac, 22-25 (> longue, 5-6^/latae, 



