Sphaeriacese, Hyalodidymse, Diaporthe, 679 



Hab. ia ramis corticatis Viburni Opuli et V. Lantanse 

 ia Gerraania (Beckhaus, Fuckel), in Italia bor. (Sacc). 



241. D. Tetrastaga circumscripta Otth, sec. Nits. in Fuck. Syrab. 2593 

 myc. p. 207 (nec Sph. circumscripta Mont.) D. leucosiroma Nits. 



in Fuck. F. rhen. n. 1989. — Stroraate effuso, maculiformi, cor- 

 ticera occupante, in ligni superficie lineis tortuosis nigris circura- 

 scripto; peritheciis cortice imraersis, lignoque adnatis, globulosis, 

 gregariis; ostiolis perforantibus conicis plus raiuusve exertis; ascis 

 fusoideis, apice lumine 2-foveolato, 50-60 ^ 8, aparaphysatis, octo- 

 sporis; sporidiis distichis cylindraceo-fusoideis, utrinque obtusiu- 

 scule rotundatis, 11-15=:: 3-4, constricto-1-septatis, 4-guttulatis, 

 hyalinis. 



Hab. in rarais siccis adhuc stantibus Sarabuci nigrse et S. 

 E b u 1 i in Gerraania, Italia et Gallia. 



242. D. Tetrastaga cinerascens Sacc. Fuugi Ven. Ser. IV, p. 8. — 2594 

 Stroraate raraos late et continue arabiente per lignura cinerascens 

 usque ad medullara excurrente tenuiter nigro-liraitato, periderraio 

 irarautato perraanente; peritheciis discretis, gregariis, in cortice 

 nidulantibus, globoso-depressis, Ys ^^^^^- ^iam., ostiolis cylindricis 

 periderraiura perforantibus et nonnumquara parum exertis, flexis- 

 que; ascis oblongo-fusoideis, Ssporis, 50-55^6-7; sporidiis oblon- 

 go-fusiformibus, constricto-1-septatis, utrinque acutiusculis, 12- 



15 i; 3-4, 4-guttulatis, hyalinis; spermogoniis in cortice exteriore 

 nidulantibus e globoso depressis, atris ; spermatiis fusoideis, 8 s 2, 

 hyalinis, 2-guttulatis. 



Hab. in rarais corticatis Fici Caricae, Selva, Treviso, Ita- 

 liae borealis. 



243. D. Tetrastaga Ophites Sacc. Myc. Ven. n. 214. Sphceria Ketmice 2595 

 Ces.'? — Stroraate late effuso corticera lignique superficiem ma- 

 culis oblongis, variis, fuscis, nigrisque marmorante intusque nigro- 

 limitato ; peritheciis gregariis globulosis, mediocribus, cortice (mul- 



to rarius ligno) infossis. ostiolis perforantibus, filiformibus, peri- 

 thecio longioribus; ascis fusoideis, octosporis, 50-60 ==9-10; spo- 

 ridiis distichis breve fusoideis constricto-I-septatis, 12-13 ^ 4-5-5, 

 4-guttulatis, utrinque obtusiusculis, hyalinis. 



Hab. in ramis eraortuis Hibisci syriaci in Italia boreali 

 ef Gallia. 



244. D. Tetrastaga Ryckhoitii (West.) Nits. Pyr. Germ. pag. 319. 2595 

 Sphceria RyckhoUii West. in Kickx Fl. Crypt. Fl. I, p. 323 {Val- 

 sa). — Stromate effuso, ramulos plerumque arabiente intus, nigro- 



