Sphaeriaceae, Hyalodidymae, Diaporthe. 625 



— Irregularis, disco plano vel concavo, ostiolis nigris punctato; 

 stromate pallido; peritheciis brunneis, ascis fusoideo-clavatis, octo- 

 sporis; sporidiis biseriatis, oblongo-ellipticis, utrinque obtusiusculis, 

 25 a. loug., 2-guttatis, hyalinis (teste Fuck. utrinque acute ap- 

 pendiculatis). 



Hab. in ramis corticatis Coryli Avellanae in Britannia et 

 Germauia. — Icon B. et Br. prsebet paraphyses (genuinas?). 



69. D. Chorostate sulphurea Fuck. Symb. myc. p. 205, Melanconisf 2421 

 umbonata Sacc. Myc. Ven. Spec. p. 126, t. XII, flg. 39-41 (nec 

 Auct.). — Peritheciis 8-19 circinatis, in stromate spurio, amoene 

 sulfureo nidulantibus, globosis, in coUum attenuatis, ostiolis in di- 



sco sulfureo, plano prominulis, globosis, perforatis, atris ; ascis cla- 

 vato-oblongis, stipitatis, 80-94 ^ 14-16, Ssporis ; sporidiis distichis, 

 ovato-oblongis, didyrais, utrinque apiculatis, ssepe curvatis, hyali- 

 nis, 24 i; 8. — Spermogoniis sub corticis epiderraide nidulantibus, 

 latissime conicis, orbicularibus, 2-2*4 voxW. latis, gelatina grisea, 

 homogeriea repletis, disco centrali, erumpente, orbiculari, appla- 

 nato seu valde convexo, pulverulento, amcene flavo, demum per- 

 forato et massa gelatinosa, diaphana, fusca, expulsa; spermatiis 

 late fusiformibus. quandoque inaequilateralibus, continuis, l-2gut- 

 tulatis, 12-16 ij 5-6, hyalinis. 



Hab. in ramis corticatis Coryli Avellanae in Germania, 

 Helvetia, Gallia et Italia. 



70. D. Chorostate affinis Sacc. Mich. I. p. 28. — Peritheciis corti- 2422 

 colis, in acervulos sparsos valseos monostiche aggregatis, epider- 

 mide elevata medioque fissa cinctis, globosis, nigris intus nitidis, 

 stromate furfuraceo lutescente junctis; contextu perithecii distin- 



cte cellulari fuligineo; ostiolis cylindraceis, vertice conoideis, peri- 

 dermium parum excedentibus ; ascis fusoideis, 110-120^^20, apice 

 subtruncatis lumineque coarctato v. obsolete bifoveolato, aparaphy- 

 satis, octosporis ; sporidiis distichis oblongis, 25-30^10-12, rectis 

 curvulisve, constricto-1-septatis, 2-guttulatis, granulosis, hyalinis, 

 initio appendicula cylindracea hyalina utrinque auctis. 



fla^. in ramulis Coryli Avellance, Conegliano. Ital. bor. et 

 Saintes Galliae. — A D. sulpliurea Fuck. praecipue diff^ert spori- 

 diis utrinque rotundatis, crassioribus, stromate obscuriore, an satis? 



71. D. Chorostate decedens (Fr.) Fuck. Symb. myc. App. I, p. 318. ^423 

 Sphceria decedens Fr. S. M. II, p. 481. — Gregaria, peritheciis 

 globosis immersis nigris, collo recto, ostiolis epidermide vix lace- 

 rata erumpentibus distautibus; ascis subfusoideis, 70-80^9, octo- 



40 



