Deiiteromycetse, SphaerioidacesB, Cytospora. 961 



sporophoris dense stipatis, filiformi-bacillaribus, simplicibus, fur- 

 catis vel varie verticillato-ramosis, propo basim lutoscentibus, 26- 

 3B « 1 VjJ sporulis copiosissimis, minutis, allantoideis, distincte cur- 

 vatis, hyalinis. A^^I^-b^QJ-X. 



Ilah. iu ramulis corticatis emortuis Alni, prope Valpelline, 

 Valle d'Aosta, Ital. bor., alt. 950 m. — Pulcherrima spocies, ob 

 pseudostromata nigro-cincta facillime dignoscenda, habitum Dia- 

 trypellcu nigro-annulatce simulans. Fructificatio ascophora adhuc 

 ignota. 



26. Cytospora melanodiscus (Otth) v. Hohn., Sitzb. K. Ak d. Wiss. 6720 

 Wien CXV, Abt. I, (1906) p. 12. — Dimidiata, scutata, depressa 

 plurilocularis, 1-1 */., mm. diam., disco distincto polystomo pr.udi- 



ta; sporophoris numerosis simplicibus, 6-12 [j,. long. ; sporulis 

 hyahnis, minutis, plerumque rectis, cylindraceis, 2-3 v 0,5. 



Hab. in ramis Alni. prope Steffisburg. Ilelvetia (Otth). — 

 Socia adest Valsa melanodiscus (Otth) ad quam verisimiliter 

 pertinet. 



27. Cytospora Celtidis EU. et Ev. — Syll. XI, p. 509. — Voglino G721 

 in Ann. R. Acc. d^Agricolt. Torino LI (1908) Extr. p. 25. — Stroma- 

 tibus nigris lenticularibus, valsoideis, immersis, dein erumpentibus 

 0,5-1,5 mm. latis, multilocularibus; sporulis cylindraceis, allantoi- 

 deis. hyalinis, 6-8 « 2; sporophoris simplicibus raro ramosis 10- 



12 « 2-3. 



Hab. in truncis Celtidis australis, cui valde nocet, in 

 Amer. bor. et Nole Canavese Ital. bor. 



28. Cytospora Ostryae Syd., Ann. Mycol (1910) p. 492, Myc. Germ. n. 6722 

 920. — Stromatibus sparsis v. gregariis peridermio leniter pustu- 

 latim elevato tectis, disco miauto, nigro erumpentibus, intus atro- 

 olivaceis, 0,5-1 mm. latis, 1-8-Iocularibus; sporulis allantoideis, 



5-7 * 1-1,5 rectis v. leniter curvulis, hyalinis. 



Hab. in raiiiis Ostryie virginiaucC, Tamsel Grerraaniie (P. 

 Vogel). 



29. Cytospora chaetospora Bres. in Strasser, III Nachtr. Pilz. 6723 

 Sonntagb, in Verhandi. zool. bot. Gesell. Wien, (1905) p. 616. — 

 Stromatibus immersis verruciformibus v. conico-truncatis et erum- 

 pentibus, 0.5-0,66 mm. basi latis, plurilocularibus. loculi sine or- 

 dine dispositis, ssepe subobsoletis, pluriostiolatis, ostiolis s;L'pe pro- 

 minulis nigris, cirro hyalino; sporulis hyalinis cylindraceis, cur- 

 vulis, utrinque obtusatis, 12-14 «3, in apice setulis filiformibus 

 prccditis, 10-15 » 1 ; sporophoris 20-21 ^ 1. 



Syll.fung. XXll (l\-iyi3; 61 



