31 



I 



250 Pcrouosporaeefe, l'crono.^))ora. 



(lis orientalis, Rliapliaiii sativi et uli a p han i s tr i per 

 totatn iMiropain, Americam et pr. MinussiQsk Sihirirc a.siaticfi(?. — 

 uAn huc spectat Prronospora cr/apula Fnck. ?» 



15. Peronospora crispula Fuck. F. Rh. 22, Svmh, Myc. pag. 67. — ^^^ 

 Csespitihns laxis, dein in maculis exa^-idis; hyphis erectis, dicho- 

 tomo-ramosis ; ramis crispulis, curvatis, ramulis ultimis iuaYjuaii- 

 hus curvatis; conidiis glohosis. 



Hab. in pagina inferiore foliorum Resedro luteola) in Miihh 

 thal prope Nassau Germania'. 



10. Peronospora Ciaytoniae Farlow Fnum. of the Peron, of the Un. St. 832 

 iii llot, Gazetto voi. VIII, Oct. and. ^"ov, 1883, p, ;;14. — Ilyphis 

 conidiophoris altis, inferne nudis, sursum plnries dichotomis; ramis 

 hrevihus, sulnilatis, late patentibus; conidiis late ohovatis, 22-24 :i 

 15-20, viohaceis; oosporis magnis, 38-15 y.. diam., hi-uuneis, epi- 

 sporio plus minus rugoso pra-ditis, 



Ilab. in foliis C l a y t o n i .o V i r g i n i ca', Kentuck y Araer. bor, 



17, Peronospora ieptociada Sacc. Mich. II, p. 530. — Hypophylla, m 

 effusa, (enelia, sordide alba; hyphis conidiophoris fertilibus assur- 

 gentibus, filiformihus, 300-350^:18, contiiiuis, sursum quinquies- 

 sexies dichotomo-ramosis, rariiulis ultimis et poonultimis incurvis, 

 angustissimis; conidiis ellipsoideis, 25-28 ::: 20-22, granulosis, hya- 

 linis; oogonis in parenchymate folii nidulantihus, glohoso-angulo- 

 sis, 45-55 y.. diam., memltrana crassissima, 10-15 u.. cr., melleis, 

 oospora pallidiore, globosa, 25-28 y.. diam., episporio 2,5-3 •/, cr., 

 intus granuloso-guttulata. 



Hab. in [)ag. inf. foliorum languidorum Helianthemi gut- 

 tati in colii^ Caiaoue Euganeoruin in Itaiia horeali. 



18, Peronospora Corydaiis De Hary Hedwigia 1804, n. 9, p, 134, ^^ 

 Scliroet. Krypt. Fl. Schles, p, 244. — CaBspitulis sordide albis vel 

 dilute viohiceis, late expansis; hyphis mvcelicis teretibus, raro va- 

 ricosis; haustoriis raris, filiformibus, ramosis, curvatis ; hyphis co- 

 nidioplioris hyalinis, laxe 5-6-ies dichotoniis; ramis gracilibus, fle- 

 xuosis, ultimis elongatis, acutis, curvatis,- conidiis late ohovoideis, 

 20-24 ::; 10-20 apice ohtusissimo, memhrana sordida diluteque vio- 

 lacea; oogoniis subglobosis, memhrana rigida, crassiuscula o duo- 

 hus stratis distinctis composita, plerumque dilute fuscescente mu- 

 nitis; oosporis magnis exacte glohosis, 27-10 y., diam,, episporio 

 tenui, sublevi, dilute fusco-pellucido. 



Jlab. \n foliis caulibusque Corydalis solida\ C. cava"" nt 

 C. intormediM' in Germania, in Neerlandia et iii .Vmer. bor. 



