5ot? Pyrenoraycetsp, Sphariacea^, Phjeodidymse, Didvmosphgeria. 



superante, epidermidem perforantibus, solummodo ascis repletis; 

 ascis clavatis breviter stipitatis, 8-sporis ; sporidiis disticbis, hyali- 

 nis, ovalibus, ad septum constrictis, loculis ssepe secedentibus, 20 « 8. 

 Jlab. m ramulis Staphylese pinnutaj, in Hungaria. 



4. Dldymosphaeria Cerasorum (Fr.) Sacc.-Syll. I, p. 705. — *D. pa- 2107 

 diiia Sacc. BuU. Soc. Myc. de Fr. 189G, p. 66, tab. V, iig. 4. — 

 Peritlieciis obtusis, vix 0,5 mm. diam., nigris, subcutaneo-erumpen- 

 tibus: sporidiis fuligineis, monosticliis, elliptico-fusoideis, obtusiu- 

 sculis , 24-26 '^9-11, ad septum non vel vix constrictis ; ascis 

 140 ^ 12. 



Hab. in ramis P r u n i P a d i pr. Rigny Galliae (Flageolet). — 

 A typo recedifc pnesertim sporidiis paullo majoribus et obtusioribus. 



5. Didymosphaeria Aucupariaj (Piowr.) Oud. Eevis. des Cbamp. II, 1897, 2108 

 j). 466, Sjjhcerella xiucuparitv Plowr. in Sphser. brit. II, n. 92. — 

 Ascis cylindraceis, basi paulum dilatatis, octosporis; sporidiis mo- 

 nostichis v. apice monostichis et inferne sine ordine dispositis, 

 ellipticis, utrinque rotundatis, griseolis, 9-10« 4 "/^^-5, apicem ver- 

 sus uniseptatis; paraphysjbus fiUformibus, numerosis. 



Hab. in foliis Sorbi Aucuparise in H ollandia et Anglia. 



6. Didymosphaeria myrtlcola Casali, Malpighia 1897, p. 85. — Peri- 2109 

 theciis sparsis, globoso-depressis, vix prominulis, coriaceis, papil- 

 latis, 1^0 ^ 200 u., ostiolo minutissimo; ascis cylindraceis, paraphy- 

 satis, octosporis ; sporidiis monostichis, ovatis, utrinque obtusis, oli- 

 vaceis v. fuligineis, 2-guttulatis, 7-9 >^ 4-6. 



Hab. in ramis emortuis Myrti communis in Itaha centr. 



7. Didymosphaerla major Eli. et Ev. Bull. Torr. Bot. Cl. 1897, p. 130. 2110 



— Gregaria, superficie atrata hgni tecta, pustulas formans, quae 

 ostiolo papilhformi perforantur; peritheciis hgno immutato im- 

 mersis, ca. 300 u. diam. ; ascis cyhndraceis, 90-105 « 10-12, bre- 

 viter stipitatis, paraphysatis, octosporis ; sporidiis monostichis, ple- 

 rumque obhquis, oblongo-elUpticis, uniseptatis, non vel vix con- 

 strictis, palhde fuscis, obtusis, 12-18 « 7-8. 



Hdb. in hgno decorticato E-hois glabrae in Kansas Amer. 

 bor. (Bartholomew). — A Didymospheria rhoina EIL et Ev. dif- 

 fert ascis et sporidiis majoribus. 



8. Didymosphaeria rhoina EIL et Ev. Bull. Torr. Bot. CL 1897, p. 130. 2111 



— Peritheciis gregariis tectis, ovato-globosis, 350-450 y. diam., 

 ostiolo conico-papilhformi erumpente ornatis; ascis cyUndraceis, 

 breviter stipitatis, paraphysatis, 60-70 « 6 ; sporidiis monostichis, 

 eUipticis, pallide brunneis, vix constrictis, 7-8 ^ 4-.5. 



