Donteromyeetrp, ITyalostilbacefe, StaurosporfE, Riessia. G47 



Hab. in ramis corticatis arboris indeterm., in liorto Bogo- 

 riensi Javae. 



Atractlum Link. — Svll. IV p. 599, X p. 691. 



1. Atractium tubericolum Sacc. et Peglion in Atti congr. bot. Pa- 5703 

 lermo 1902, pag. 58. — Mycelio endogeno, filiformi, ramoso, sc- 

 ptato, albo-liyalino, demum emergenti, byssoideo, ex albo cremeo et 

 per tuberis superficiem effiiso; synnematibus dense gregariis, ascen- 

 dentibus, filiformibus, ex albo cremeis, 0,5-1 mm. altis, apice non 

 V. vix incrassatis, basim versus paullo crassioribus, ex hyphis 

 paralleie fasciculatis, septulatis compositis; apicibus hypharum su- 

 periorum relaxatis conidiophoris; conidiis fusoideo-falcatis, utrin- 

 que acutiusculis, 3-septatis, non vel vix constrictis, e cremeo vei 

 roseo hyaliuis, 36 ^ 4-4,5. 



Hah. in tuberibus Cyclaminis priucipue persici, verraini- 

 bus nematoideis jam necatis, prope Romam. 



SYMPHYOSIRA Preuss - Syll. IV p. 600, X p. 692. 



1. Symphyosira parasitica Mass. et Crossl, in the Natur. 1904, p. 6. 570i 

 — Gregaria vel soUtaria; synnematibus pallidis, 6-14 mm. altis, 

 compositis ex hyphis fasciculatis, sursum apice divergentibus et 

 capitulum pulverulentum subspliLxn-oideum efformantibus; conidiis 

 cylindraceis, 3-5-septatis, hyalinis, catenulatis, 40-70 * 6-8. 



Hah. parasitica in fructibus dejectis Conii maculati, Sutton 

 prope A«ken Britannine (A. Clarke et C. Cro.ssland). 



Sect. 4. Slaiirospor<T. 



RIESSIA Fr. — Syll. IV p. 627. 



1. Riessia minima Sacc. in Atti cougr. bot Palermo 1902, p. 59. — 5705 

 Parasitica iu hyphis Helminthosporu, perexigua, tereti-conica, al- 

 bida; hyphis fasciculatis, filiformibus, continuis, 80-90 « 1-1,2, 

 hyalinis v. dilutissime cremeis, apice relaxatis, sporigcris; conidiis 

 continuis hyalinis, 3-4-radiatis, radiis cylindricis apice acutis, 5- 

 6^1-1,5. 



7/a6. parasitica in mycelio Helminthos porii asterinoidis 

 (de quo supra p. 588) ad folia Eugenia^ in Brasilia ^E. Ule). — 

 Species omnino invisibilis ct fugax, mero casu detegenda! 



