Pyrenonivcetw, Sph:eria«eie. Ph»'OdJctya), Pleospon». 047 



Pleospora pertusa Sacc. et Cav. N. Griorn. bot. ital. VII, 1900. vjoa 

 p. 284, fig. 1, 0. — Peritheciis [ax>> gre^ariis, cortice immp»rsis, 

 globoso-depressis, 500-600 u. diam., nigris, glabri.s, ostiolo rotundo 

 vix vol non papillato, peridermio supra ostiolum pertuso (fene- 

 strato) tectis; ascis elongato-oylindraceis, apico rotundatis, breve 

 crasse stipitatis, paraphysibus filiformibus sippe furcatis copiosis- 

 simis obvallatis, 8-sporis, 130-160 * 20-24; sporidiis ovato-oblongis 

 utrinque rotundatis, initio subdidymis, flavidis, muco obvolutis, 

 tandem 7-septfttis crebreque muriformibus. ad septum medium 

 distincte constricti^. rufo-fuligineis, 24-28 « 10-12, 



flah. in ramis emortuis Buxi sempervirentis, pv. Val- 

 lombrosa Italla^. 



!. Pleospora Feltgeni Sacc. et Syd. nov. spec. Pleosjjora? discors i963 

 apud Feltgen, Vorstudien zu einer Pilzflora Luxemburgs I, p. 239. 



— Peritheciis s})arsis, totis immersis, ostiolo tantum papilliformi 

 interdum pcrforato prominentibus, globogo-depressis, fragilibus, 

 200-300 a. diam. ; ascis plerumque lat« clavatis, interdum cylin- 

 drico-clavatis, breviter stipitatis, 84-150 >* 24-30, cylindraceis usque 

 200 ^. longis, octosporis ; sporidiis distichis, in ascis cylindricis mo- 

 nostichis, oblongo-ovatis, medio constrictis. parte superiore pauUo 

 lateriore, utraque parte 3-septata, loculis omnibus longitudinalit^r 

 2-3-septatis, ex melleo fuscis, muco oloductis, 33-45 v 12-20. 



Jloh. iii ouhnis siccis Luzulce maximte in Luxemburgia. 

 ]. Pleospora aquatica Griffiths, Bull. Torr. Bot. Cl. 1899, p. 443, 15,^4 

 tab. 336, fig. 27-29. — Peritheciis sparsis, subglobosis vel hcmi- 

 sphcericis, 140-180 fji. diam., in sicco applanatis, subepidermicis, 

 semper tectis, membranaceis, nigris, glabris, ostiolo plane indi- 

 stincto; ascis cylmdraceo-clavatis. curvatis, breviter stipitatis, apa- 

 raphysatis, 95-125 r 22-29; sporidiis ovatis, 5-se}>tatis, longitudi 

 laaiiter 2-4-septatis, ad omnia septa constrictis, 28-30 » 10-12, le- 

 niter applanatis, muco hyalino geiatir.oso in af)icibus sporidiorum 

 in appendicem crassam obtusam elongato-obvolutis. 



ilab. in culmis emortuis Heleocharidis paiustris in S. 

 Dakotah Americfe bor. 

 i. Pleospora Piptochaetii Speg. Fg. Arg. novi v. crit., p. 283 '1899;. ]965 



— Maculib nullis; perithe-Mis sparsis, erumpenti-superhciaUbua, 

 e compressulo homisphserico-conicis, 250 ^. diam., ostiolo brevi 

 crasso Jate umbihc«to ornatis, coriaceis, atrie, opacis : ascis cylin- 

 draceis vel cylindraceo-ciavulatis, 180-220 ^ 20-30, apice obtuse 

 rotundatis, brevissime cuneato-stipifcatis, octosporis, aparaphysatis; 



