98S SphaTopsidorcfe, Neetrioidacete, Zythia. 



CYTOSPORINA Sacc. — Syll. III, p. 601, X, p. 403. 



1. Cytosporina Crataegi AUesch. Ber. Bayr. Bot. Ges. IV, 1896, p. 35. 3899 

 — Stromatil.ms subcutaneis, epidermide tumidula, denique fissa 

 tectis, linea nigra subcirculari cinctis, plurilocuiaribus ; nucleo fu- 

 sco-griseo; sporulis iiliformibus, rectis vel leniter curvulis, utrin- 

 que obtusiusculis, continuis, 10-20^1-1'/^, hyalinis; basidiis fasci- 

 culatis, verticillato-ramosis, 20-25 « 1 7^, hyalinis. 



i:Zrt?>. in ramulis emortuis Cratsegi OxyacanthfB in Bava- 

 ria merid. 



2. Cytosporina brunnea Sacc. sp. n. — Stromatibus dense gregariis 3900 

 cortice innatis. dein erumpentibus, pulvinatis, 0,7-1 mm. diam., 

 melleo-brunneis, intus irregulariter piuri-Iocellatis, farctis; contex- 



tu cellulari ochraceo-f usco ; sporulis filiformibus, prfelongis, 45- 

 55 • 2,5, arcuatis v. iiexuosis, utrinque obtuse attenuatis, plurigut- 

 tulatis, hyalinis ; basidiis paliformibus irregularibusque, 12-15 « 2, 

 hyalinis. 



Hab. in ramulis corticatis Persicse vuigaris, Cote d'Or 

 Gallias (Fautrey). — A Cytosporina Persicoi Brun. mox differt 

 quia stromata numquam nigra sed pallide brunnea. 



3. Cytosporina ioanensis PoUacci, Atti Ist. bot. Pavia 2 ser. V, 1896, 390i 

 p. 15 extr. — Stromatibus nigris, plurilocularibus, ellipsoideis sub 

 epidermide elevata nidulantibus ; sporulis filiformibus, curvatis, 

 hyalinis, continuis, 27 « 1, basidiis fasciculatis suifultis, 20-21 u.. 

 longis. 



Hab. in ramis corticatis Coryli Avellanre in Italia boreali. 



Fam. 2. Nectrioidaoeae Sacc 



ZYTHIA Fr. — Syll. III, p. 614, X, p. 404, XI, p. 552. 



1. Zytliia Atripllcis F. Tassi, Atti E. Acc. dei Fisiocr. Siena 4 ser. 3902 

 yill, 1896. p. 9 extr. et Eev. Mycol. 1896, p. 171, tab. CLXXIII, 

 fig. 6- — Peritheciis sparsis, subsuperficialibus, globulosis, pertu- 



sis, 3 20-150 p. diam., contextu membranaceo, flavo-melleo, subi- 

 culo simplici v. ramuloso albo insidentibus; sporulis ovoideis, hya- 

 linis vel nubiloso-chlorinis, 5-7 v 4-4'/,; basidiis non visis. 



Hah. in utriculo exsici ato Atriplicis halimoidis, Melbo- 

 urne Australia3. 



2. Zythia maxima Fautr. Eev. Mycol. 1896, p. 71. — Peritheciis 3903 

 globulosis, amcene rosaceis, tectis, maculis nigvis tectis; sporulis 



