— Ill - 



septatis, ad sepimentum constrictis, loculo superiore crassiore, 

 hyalinis, 5 — 6 mk. longis. 2 mk. crassis. 



5. Beitrag zum Studium der Pilze, welcbe auf der Reis- 

 pflanze vorkommen, mit 2 Taf. : 



Typhula filiformis — Phoma Oryzae — P. vaginarum — 

 Sphaeronema Zamiae — Septoria Poae — Septoria Oryzae 

 — Ascochyta Oryzae — Torula graminis — Gymnosporium 

 Oryzae — Fusarium heterosporium — Epicoccum purpuras- 

 cens — E. neglectum ~ Heiminthosporium macrocarpuin — 

 H. maculans — Botrytis pulla — Trichothecium roseum — 

 Sporotrichum ftlaydis — S. angulafum — Botryosphaeria 

 Saubinetii — Pleospora Endiviae — P. Oryzae — Sphaeria 

 culmitraga — Leptosphaeria Salvinii — L. Oryzae — Sphae- 

 rella Malinverniana — Sclerotium Oryzae. 



flier von werden folgende besckrieben: 



Phoma vaginarum nov. sp. 



Peritheciis hypophyllis, nigris, subglobosis, ostiolo sim- 

 pnci pertusis, nuruerosissimis , approximatis , saepe connatis, 

 15 ink. latis; sporidiis ovoideis vel pyriformibus , continuis, 

 guttulatis, flavis, 15 mk. long., 9 mk. crass. 



Septoria Oryzae nov. sp. 



Peritheciis innato prominulis, perexiguis, nigris, nume- 

 rosis, aggregatis, poro apertis., intra nervos in series parallelas 

 dispositis; sporidiis minutissimis, cylindricis, reetis vel cur- 

 vatis, triseptatis, subhyalinis, 21 mk. long., 3 mk. crass. 



Ascochyta Oryzae nov. sp. 



Perithecium epidermide semper tectum celluloso - mem- 

 branaeeum, nigrum, apice pertusum, intus pulpa sporarum 

 repletum; sporidia lineari-oblonga utrinque rotundata, septo 

 taedio transverso aegre percipiendo bilocularia, sporidiola 

 quatuor t'oventia, pallide flavicantia, 15 mk. long, 4 mk. crass. 



Gymnosporium Oryzae nov. sp. 



Acervulis atris, subglobosis, discretis vol confluentibus, 

 sporis crebris, ovoideis, i'uscis, episporio glabro sub-diaphano, 

 nucleo luteo-livido^guttulis plerumque repleto,sporiis9— 11 mk. 

 l°og., 4 mk. crass. 



Heiminthosporium maculans nov. sp. 



Stroma discoideum, carnoso-fibrosum, fioceis simpheibus, 

 fesciculatis, erectis, septatis, luteo-iuscis tectum; sporis minutis, 

 oblongis, di-tridymis, hyalinis, 15 mk. long., 6 mk. Mis. 



Sporotrichum angulatum sp. nov 



Tludlus arachnoideus, fuscus, effusus ; floccis repentibus, 

 r aniosis, intricatis, septatis; sporis acrogenis , simpheibus, 

 guirrelariter sinuato-lobatis, opacis, subnigricantibus, crebris, 

 10 stromate libere sparsis, diamt. 30 mk. 



