79 



breve fusoidea, utrinque truncata, 20-22 M (3-7, crasse 

 1-septata, non constricta, 2-guttulata, fuliginea. 



23. Botrytis griseola Sacc. M. V. n. 581 - F. V. 



ser. V p. 195. 



24. Botrytis phymatotricha Sacc. - M. V. n. 1081 

 - Effusa, subvelutina, ex albo grisea, hyphis sterili- 

 bus repentibus, tortuosis, ramosis, parce septatis, hya- 

 lino-fuscidulis ; fertilibus concoloribus assurgentibus , 

 paniculato-ramosis, ramulis hyalinis apice incrassatis 

 vageque denticulatis ; conidiis e denticulis oriundis, 

 subglobosis, 5—6 diam., eguttulatis, fuscis. 



Hab. in ligno putri q u e r c i n o a Selva, Oct. 1 876. 



Obs. Cum genere Vhijmatotricho Bonord. notis non- 



nullis congruit, sed a Botryte essentialiter non differt. 



25. Chsetopsis macroclada Sacc. sp. nov. Effusa, fu- 

 sco-olivacea ; hyphis erectis, 200 * 4, e basi lenissime 

 incrassata, filiformibus, apice subulatis, parce septatis, 

 fuligineis; ramis verticillato-ternis vel quaternis, infe- 

 rioribus brevibus, superioribus (2 verticillis) praalongis, 

 usque GO-70 lgs, subulatis, interdum aduncis, fuligi- 

 neis; conidiis in ramulis inferioribus acrogenis globoso- 

 ovoideis, 3-3 1 /, * 2-2 l / 2 , 1-guttulatis e hyalino dilu- 

 tissime olivaceis. 



Hab. in ligno putri quercino a Selva, Aug. 

 1875, rarius. 



26. Chsetopsis fusca Corda Ic. I f. 243. 



Hab. in ligno quercino putrescente a Selva, 

 Aug. 1874, raro. 



Obs. A typo Corclfe 1. c. differt ramulis breviori- 

 bus, tortuosis, subcontinuis; conidiis ovoideis 2-2 T / 2 * 

 1 (nec 4 l / 2 lg.). Hsec forma brachyclacla dicenda. 



27. ChaBtopsis stachyobola Corda Ic. III f. 21. 



Hab. in foliis dejectis Lauri nobilis, nec non 

 in ejus ramulis, a Selva, Aug. 1875. 



Obs. Csespituli effusi rufescentes ; conidia cylin- 

 drica, 12 * V/ v hyalina. 



28. Cladotriehum microsporum Sacc. sp. nov. Effu- 



sum, atrum, velutinum; hyphis undique repentibus, 

 quandoque gangliformi-confluentibus , multi-articulatis, 



