Teratologie und Pflaazenkraukheiten. 149 



•des Wfaite-ßot der Amerikaner. Kupfervitriol als Gegenmittel scheint nach 

 ■den bisherigen Erfahrungen die Verbreitung des Pilzes nicht in hinreichen- 

 dem Maasse zu hemmen. 



Neue italienische Pilze des Weines : 



Pyrenomycetes. Sphaeriaceae hyalosporae. Physalospora baccae n. sp. 

 Perifheciis sparsis, globosis , epidermide tectis , demum erumpentibus ; diametro 

 250 — 280 ," , extus fuscis, intus albidis; ostiolo prominulo perforatis; ascis 

 clavatis, octosporis, 60 — 70X8 — 10 f* paraphysibus filiformibus ascis longioribus ; 

 sporidiis ellipticis utrinqe obtusis, 15 — 16X4 — 5 p. 



Sphaeropsideae. Sphaerioideae. Phoma lenticularis n. sp. Peritheciis 

 gregariis, interdum confluentibus, lenticularibus, epidermide tectis , diametro 180 

 — 220 /u , poro minnto pertusis: sporulis ellipticis vel cylindraceis, utrinque 

 yotundatis, typice biguttatis, hyalinis, 7, 5 — 8, 5X3 — 3,5 ," ; basidiis filiformibus 

 20—22 « longis. 



Melanconiae. a) Hyalosporae. Gloeosporium Physalosporae n. sp. Maculis 

 irregularibus, lividis, arescentibus, acervulis ceraceis, subepidermicis, subconicis, 

 erumpentibus, 140 — 180 n diam. ; conidiis cylindraceis vel fusoideis, rectis vel 

 curvulis, hyalinis, plasmate homogeneo farctis, 14=20X4 — 6 ," basidiis filiformibus 

 üb — 30 p long, suffultis. b) Phragmosporae. Pestalozzia viticola n. sp. Acervulis 

 lenticularibus, vis erumpentibus; sporulis ovato-ellipticis vel cylindraceis, 14 — 20 

 y^ 5 — 6 p, basi attenuatis , curvulis, 3 — 5 septatis, loculo superiore obtusiore 

 hyalin», iuferiore conoideo hyalino, intermediis olivaceis ; cilio unico obliquo, 

 10 — 20 X 1 M 'i basidiis filiformibus. Hyphornycetes. a) Dematieae, Phragmo- 

 sporae. Napicladium pusillwm n. sp. Hyphis brevibus, molliusculis, fasciculatis, 

 basi incrassatis, obscure 1 — 2 septatis, olivaceis, pellucidis, 15 — 30 X 4,5 — 5,5 ,"; 

 •conidiis acrogenis pyriformibus, triseptatis, 20—24 X 8 — 9 p, concoloribus. 



Alterna,via vitis n. sp. Maculis epiphyllis , nervisequis , cinerascentibus ; 

 hyphis subfasciculatis , erectis vel adscendentibus , parce ramosis , septatis, 

 olivaceis, 60 — 120 longis; conidiis lageniformibus , cito deciduis , concoloribus 

 40 — 60 X 12 — 14, transverse et longitudinaliter septatis, ad septa constrictis. 

 •c) Stilbeae. Briosia nov. gen. Stroma verticale, cylindraceum, stipitatum, hyphis 

 ■fasciculatis compositum , apice capitulum compactum efformans ; conidia globosa, 

 "typice catenulata , fusca , acrogena. Briosia ampelophaga n. sp. Stipitibus 

 elongato - cylindraceis , basi leviter dilatatis , albidis; capitulo compacto — 

 globoso vel subhemisphaerico, ochraceo ; sporophoris simplicibus , parce septatis, 

 articulis constrictis; conidiis globosis acrogenis, catenulatia, 4 — 5 p diam., 

 brunneis. 



Das Genus Briosia wird vom Verf. in die Nähe von Heydenia 

 gestellt, wie folgendes Schema zeigt: 



Conidia globosa oblonga vel elongata continua. 



A. Conidia solitaria (non catenata). 



Sporocybe. Graphium. Harpographium-Glutinium. 



B. Conidia concatenata. 



+ Capitula laxiuscula. 



Stysanus. Graph iothecinm. 

 -f -f- Capitula compacta. 



Heydenia, Conidia globosa, pleurogena, brevicatenata, sporo- 

 phora longa. 



Briosia, Conidia globosa, acrogena, brevicatenata, sporophora 

 brevia. 



Antromyces, Conidia fusoidea in catenas longas dichotomas 



acrogenas digesta, sporophora brevia. 



d) Tubercularieae. Tubercularia acinorum n. sp. Sporodochiis verrucae- 



^ormibus , sparsis vel confluentibus , albido-ceraceis , erumpentibus , interdum 



stipitatis ; sporophoris simplicibus , filiformibus , fasciculatis , obscure septatis ; 



»conidiis cylindraceis, utrinque rotundatis hyalinis, acrogenis, 12 — 15 X 3 — 5 p. 



Kohl (Marburg). 



