Pyrenomycetese, Mici'othyriace?e, HyalodidymBe. Polystomella. 1063 



BREFELDIELLA Speg. F. Puigg. n. 344 (Etym. a Clar. 0. Brefeld). 



— Perithecia dimidiato-scutata, mytiliformia, postice loricato-.-con- 

 fluentia, ostiolo rotundo v. subriino'So, contextu prosenchymatico- 

 radianie atro donata. Asci 8-spori. Sporidia 1-septata. h/aiina. 



— Genus pulchelium inter Hemhysteriaceas et Microihyriaceas 

 raedium. 



1. Brefeldiella brasiliensis Speg. F. Puigg. u. .344. — I^eritheciis 4218 

 obovato-spatiiulatis, v. m^^tiUformibus, postice lenissime imbricato- 

 conlluentibus, minutis, 120-130 =; 6-SO, maculas crustaceaG, parvu- 

 las, 0,5-1 mm. diam., atras, superficiales, difformes efdcientibus; 

 ascis elHpticis, 35-12-14, aparaphysatis; sporidiis did/iflis, hya- 

 lini.s (an semper?), 12^4. 



Hab. ad folia viva Bambusacere cujusdam in uliginosis pr. 

 Apiahy Brasilise. — An sporidia dem.um 3i-septata et fusca? 



POLYSTOMELLA Speg. F. Guar. II, n. 137 (Etym. polys multus et 

 stoma ostiolum). — Stroma menibranaceo-coriacellum, tenue dimi- 

 diato-scutatura, majusculum, superne plus minus dense pluri-per- 

 forato-ostiolatum , inferne dense strictissimeque ruguloso-reticula- 

 lum, atrum, subiculo carens. Asci in ansulis (loculis?) hypostroma- 

 ceis constipati, subcylindracei, paraphysati, 8-spori. Sporidia didy- 

 ma, hyalina. 



1. Polystomella pulcherrima Speg. F. Guar. II, n. 137. — Stromati- 4219 

 bus epiphyllis, dimidiato-scutatis, 0,5-2 mra. diam., atris, glabris, 

 levibus, opacis, membranaceo-coriacellis, tenuiusculis, rigidulis, con- 

 textn indi-^tincto, poris (luce interjecta) 20-30-perforatis, inferne 

 subimperspicue ruguioso-reticulatis ; loculis (vel ansnlae reticulis) 

 subdifformibus, rainutis, 80-100 p.. diam., ruguia vix evoluta scepe- 

 que obliterata separatis, ostiolo rotundo donatis; ascis cylindraceo- 

 obclavulatis, 50-70 ^ 12r-15, superne obtuse rotundatis, crassiuscu- 

 leque tunicatis, inferne brevissimo crasseque pedicellatis, parce pa- 

 raphysatis, 8-sporis ; sporidiis subclavulatis, 1-septatis, non v. vix 

 constrictulis , i3-16i;5, loculo supero breviore subcrassioreque, 

 hyalinis. 



Hab. ad folia viva Solani b(jerh a v ieef o I i i et R u biaceae 

 cujusdam prope Guarapi et Apiahy Brasilise. 



2. Polystomella Scutuia (B. et Br.) Speg. F. Puigg. n. 345, Dothi' 

 dea Scaiula B. et B. — Syll. II, f. 632 sub Dothidelia, 



