roroiiospor.ioofe, Peroiio?porn. 2(>?> 



p. 1 tO. — Ilyphis conidiopliori.s lalis, csespitos jiallidos, irregula- * 

 res ad paginam inferiorem roliorum formantibus; raniis ferlilibn.'^ 

 sursum dichotomis, apicibus furcatis infequalibus,- coiii']iis obovoi- 

 (leis, apiculatis, 20-25 =j 1 (5-1 8, dilute violaceis. 



Ifab. in Ibliis Sc ropiiular i jt) aquaticre, S. nodosc^c et S. 

 altaica) nec non Verbasci Blattari??, Y. Tliapsi V. tha- 

 psiformis e( Digitalis purpurea' in Italia, Helgio, Gallia, 

 Xeerlandia, (lermania ot Britannia, e(iam in America boreali. 

 CS. Peronospora Knautiae Fuck. in Cornu Enum. Peronosp. Franc. '^*^' 

 in P)ull. Soo. Bot. France 1878, Schroet. Krypt. Fl. Schles. Pilzc 

 pag. 251. — Ca?spitulis maculiformibiis, minutis, tenuibus, sor- 

 dide albis; hyphis conidiophoris G-O-ies dichotomis; ramis ultimis 

 subulatis, subincurvis; conidiis ellipticis, 22-26 ::; 17-20, violaceis. 



Ilab. m foliis Knanti.T arvensis et Scabiosa} Colum- 

 barire in Gallia et Germania. 



07. Peronospora Scleranthl Rabenh. in Klotzscii Herb. Myc. n. 1471, ^^^- 

 Scliroet. Krypt. Flor. Schles. Pilzo p. 251. — Ca3spitulis albidis, 

 late ex.pansis; hyphis conidiophoris 5-8-ies dichotomis, ramis ul- 

 timis uucinato-incurvis; conidiis ellipticis, 20-25:^15-18. 



Ifab. in Sclerantho annuo in Germania. 



08. Peronospora sparsa Berk. Gard. Chron. ]8()2, p. 308. — Crespi- ssi 

 tulis albis; hyphis conidiophoris sparsis, subtorulosis, usque ad 

 O-ies dichotomis; ramis ultimis vix unciuatis, dichotomis, pallide 

 griseis; conidiis subellipticis, apice obtusis. 



Jf^fb. in foliis cujusdam Rosaj in Britannia, Germania et in Ame- 

 rica boreali. 

 00. Peronospora Rubl Rabonli. F. Furopa^i n. 2676, Schroet. Krypt. m 

 Flor. Schles. Pii/.e p. 251. — C.-^-^spituIis laxis, pallide griseis, gri- 

 seo-brunneis, irregulariter maculiformibus; hyphis conidiophoris 

 erectis, 5-0 y.. crassis, in tertia superiori jiarto -1-G-ies dichoto- 

 mis; ramis acuie patentibus, ultimis subulatis; conidiis ovatis, 20- 

 22:.' 11-13, subhyalinis. 



Jfab. in pagina inferiore foliorum Rubi ca^sii et Rubi fru- 

 t icos i in Germania. 

 70. Peronospora Bulbocapnl Reich. Pilzll. Nieder6sterr..lil, p. 48. — .^80 

 Ilyphis conidiophoris h^^alinis, supra quinquies dicliotomis, 0,2-,0,25 

 mm. altis, et 7-8 •/. latis, ramis erecto-patentibus, ultimis ilexuo- 

 sis, longe acuminatis; conidiis subglobosis, hyalinis. protoplasmate 

 granuloso farctis, 20-30 y.. longis; oosporis 50-60 y.. lalis. mem- 

 brana rigida inajqualiter incrassata sa^pe angulato-producta, fusca 



