Sphseriaceae, Hyalodidymse, Diaporthe. 633 



ramos corticatos late arabiente et superficiem parum infuscaute, 

 linea nigra tortuosa per lignum immutatum excurrente limitato; 

 peritheciis ligno immersis, globulosis, majusculis, V^ mill. diam., 

 ostiolis peridermium perforantibus et vix superantibus, obtusis; 

 ascis clavato-C)'lindraceis, 70-80 ^: 10, apice rotundatis, breve cras- 

 seque stipitatis, aparaphysatis, octosporis ; sporidiis distichis oblon- 

 go-didymis, 15^:5, utrinque obtusiusculis, 4-guttulatis, hyalinis. 



Hab, in ramis eraortuis Meliae Azedarach, Susegana, Ital. 

 bor. et in Argentina Araer. austr. 



96. D. Euporthe orientalis Sacc. et Speg. Mich. I, p. 391. — Stro- 2448 

 mate ramos corticatos decorticatosque late ambiente, eosque varie 

 infuscante, linea nigra per lignum varie excurrente liraitato ; pe- 

 ritheciis gregariis, ligno iraraersis, V^ mill. diam,, globulosis, ostiolo 

 apice rotundato, vix emergente; ascis fusoideis, apice obtusioribus, 

 45-50 s 7, aparaphysatis, octosporis ; sporidiis distichis v. oblique 

 raonostichis, fusoideis, 15-17 ^:;^'/^-:], medio constrictis, 1-septatis, 

 4-guttulatis, septulis spuriis 2 accedentibus, hyalinis. 



Hab. in ramis emortuis Mori albse, Susegana, Ital. bor. et 

 prope la Recoleta Argent. Amer. austr. ( Spegazzini, utrinque ! ), 

 — Forraa araericana prasbet ascos 55-65^^8-10, sporidia 12-15 



:::4-5. 



97. D. Euporthe sociabills Nits. Pyr. Germ. p. 263. — Stroraate ple- 2449 

 ruraque latissime effuso raraosque longe ambiente, cortici lignoque 



, omnino imraerso, strato tenui, atro undique circurascripto, perider- 

 raio arcte adh?erente, tandera obscurato tecto; peritheciis rainutis, 

 ordine subsequali, hinc inde in series longitudinaliter directas, pa- 

 rallelas, distributis, denseque sociatis, v. rarius 2-4 stipatis, e glo- 

 boso raox depressis, sectione verticali ovalibus ligni strato supremo 

 totis immersis, membrana pertenui, molli, fusca structis, in collum 

 brevissimum abrupte attenuatis ; ostiolis crassis, cjlindricis, apice 

 rotundatis, poroque solito ampliore tandem apertis, peridermium 

 perforatum parum taiitum superantibus ; ascis anguste clavatis v. 

 subcylindricis, octosporis, sessilibus, 66-80^:8-10; sporidiis disti- 

 chis, rarius oblique raonostichis, fusiforraibus, utrinque obtusis v. 

 acutiusculis, bicellularibus, guttulis raox 4 tantura, raox pluribus 

 gravidis, raedio saepe parum constrictis, immo anisomeris, rectis v. 

 inaequilateralis, subhyalinis, 17-21 ^ 5. 



7/a&. in ramis eraortuis Mori rubrse, Cappenberg GermaniMe. 



98. D. Euporthe spiculosa (Alb. et Schw.) Nits. Pyr. Germ. p. 256, 2450 

 Sphceria spiculosa Alb. et Schw. Nisk. p. 16, Valsa ctrcwnscri- 



