\2[[ A. DE B1U1. 



Sli[)ites conidiopbori crassi, alti, 5-7-8-ies dicholomi ; rami 

 patentes, sensim atlenuati, recti v. leviter curvati; ultimi angulo 

 obtusissimo divergentes, brèves, conico-subulati, recti, acuti. 

 Conidia parva, ellipsoidea, obtusissimo, membrana dilute violaeea. 



In foliis Hyoscyami nigri legit Kalkbrenner (Fung. curop., 1. c ). 



Speciminn sicca pauca quse examina vi a P. effusaramovum ullimorum 

 fabrica et conidiis minoribus manifeste differunt. 



36. P. pulveracea Fuckel, Fung. rlien., n° 1. 



Slipites conidiophori plerumque solitarii v. bini, graciles, 4-6- 

 ies dichotomi: rami valde flexuosi, brèves v. elongati flaccidique, 

 ultimi subulali, arcuati, ssepe inserjuales. Conidia magna, obovoi- 

 dea v. interdum subpyriformia, membrana sordide violaeea. 



Hab. in Helleboro fœlido, totam plantam occupais, in foliorum horno- 

 tinorum pagina inferiore conidia ferens. Planta parasite occupala foliola 

 angusliora, apice deflexa, prsebet. 



37. P. Cypcmssiœ. 



Stipites conidiophori brèves (ramis saepe breviores), 5-6-ics 

 dichotomi, ramis patentibus rectis rigidis. Rami penultimi pri- 

 mariis paullulo lantum angustiores; ultimi longe conico-subulati, 

 acuti, rigidi, recti v. subeurvati. Conidia parva, ellipsoidea, obtir- 

 sissima, membrana diluta violascente. 



À P. Euphorbiœ Fuck., cui ulterius eomparanda est, notis 

 indicaiis discrepat. 



Hab. in Buphorbia Cyparissia, stipites conidiophoros sparsos e folio- 

 rum pagina inferiore emittens. 



38. P. Polentillœ. 



Stipites conidiophori graciles, dense csespitosi, 5-6-ies dicho- 

 tomi ; ramis modice elongatis, flexuosis, ultimis longe subulatis 

 arcuatis. Conidia ellipsoidea, obtusissima, membrana dilutissime 

 violaeea. 



In Potentiïlœ aureœfi) foliis legit et coinm. Munter. 



