Perisporiaceae, Erysipheas, Erysiphe. 17 



5. Erysiphe Durisei Lev. Disp. raeth. Erjsiph. p. 57. — Mycelio ara- 63 

 chnoideo, evanido; peritheciis inagnis, sparsis, hemisphaericis, de- 

 mum depressis; ascis 8 in pedicellum brevem protractis, bisporis; 

 appendiculis subramosis. 



Hab. in Gallia (Avignon), Algeria, Tauria, in foliis Phlomi- 

 dis tuberosae, Herbse ventis, pungentis. — kh E. tau~ 

 rica diflfert prsecipue appendiculis coloratis. 



6. Erysiphe Montagnei Lev. in Ann. Scienc. nat. 1851, XV, p. 169, 64 

 t. 41, fig. 36. — Er. depressa var. Bardance Wallr. — Am- 

 phigena v. hypophylla ; mvcelio arachnoideo, evanescente ; peri- 

 theciis minutis, globosis, gregariis v. sparsis ; appendicibus distin- 

 ctis a m vcelio ; ascis, octonis ovoideo-subrostratis, 2-3-sporis, spo- 

 ridiis ovoideis 30 s 28. 



Tlab. in Gallia, Belgio, Anglia, Italia, Germania, Amer. bor. 

 etc. in foliis Lappae, nec non Taraxaci et Xanthii (t. Coo- 

 ke), Apocyni (t. Berk.). — Sec. De Bary est var. E. lampro- 

 carpce. 



7. Erysiphe tortilis (Wallr.) Fr., Lev. in Ann. Scienc. nat. 1851, XV, 65 



p. 170, f. 35. E. Co7'ni Duhy. — Hypophylla; mycelio arachnoi- 

 deo, eflfuso, evanido ; peritheciis minutis, globosis; appendicibus 

 perithecio decuplo longioribus, coloratis a mj^celio discretis ; fle- 

 xuosis ; ascis quaternis, ovoideo-subrostratis, 4-sporis. 



Hab. in Anglia, Belgio, Germania, Italia, Gallia, etc. in pag. 

 inf. foliorura Corni sanguineae, autumno. 



8. Erysiphe horridula (Wallr.) Lev. in Ann. Sc. nat. 1851, tom. XV, gg 

 p. 170, t, 11, f. 37. Alphiioinorpha horridula Wallr. — Am- 

 phigena ; mycelio arachnoideo, interdum persistente; peritheciis 

 sparsis vel confertis, sphseroideis, minutis; ascis in quovis perithe- 

 cio 20-i4, ovoideo-ellipsoideis, pedicellatis, 3-4-sporis; appendi- 

 cibus brevibus, flexuosis, sursura flexis, firmulis; 



HaJ). in caulibus foliisque Asperuginis procumbentis, 

 Onosmatis, Lycopsidis, Sy mphy ti, Borraginis aliarum- 

 que Asperifoliarum in Anglia, Italia, Gallia, Sibiria, Belgio, 

 Germania, Amer. bor. etc. — Sec, De Bary est var. E. lampro- 

 cay^pce. 



9. Erysiphe Umbelliferarum (Lev.) De Bary Ueb. d. Erysiph. E. Mar- ^^ 



tii Lev. var. E. — Haustoriis lobulatis; appendicibus crebris ra- 

 mosis hyalinis v. basi fu.'<cis, omnibus basalibus et mycelio inter- 

 mixtis; ascis in quoque perithecio 4-8 (saepius 6), 2-5-sporis, sae- 

 pius 3-4-sporis. — Conidia exacte cylindrica. 



2 



