FUNGORUM - Acervo Digital de Obras Especiais

Perisporiaceæ, Erysipheæ, Erysiphe. 17
5. Erysiphe Duriæi Lév. Disp. meth. Erysiph. p. 57. - Mycelio arachnoideo,
evanido; peritheciis magnis, sparsis, hemisphæricis, demum
depressis; ascis 8 in pedicellum brevem protractis, bisporis;
appendiculis, subramosis.
Hab. in Gallia (Avignon), Algeria, Tauria, in foliis Phlomi-
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dis tuberosæ, Herbæ ventis, pungentis. - Ab E. taurica
differt præcipue appendiculis coloratis.
6. Erysiphe Montagnei Lév. in Ann. Scienc. nat. 1851, XV, p. 169,
t. 41, fig. 36. - Er. depressa var. Bardanæ Wallr. - Amphigena
v. hypophylla; mycelio arachnoideo, evanescente; peritheciis
minutis, globosis, gregariis v. sparsis; appendicibus distinctis
a mycelio; ascis, octonis ovoideo-subrostratis, 2-3-sporis, sporidiis
ovoideis 30 28.
Hab. in Gallia, Belgio, Anglia, Italia, Germania, Amer. bor.
etc. in foliis Lappæ, nec non Taraxaci et Xanthii (t. Cooke),
Apocyni (t. Berk.). - Sec. De Bary est var. E. lamprocarpæ.
64
7. Erysiphe tortilis (Wallr.) Fr., Lév. in Ann. Scienc. nat. 1851, XV, 65
p. 170, f. 35. E. Corni Duby. - Hypophylla; mycelio arachnoideo,
effuso, evanido; peritheciis minutis, globosis; appendicibus
perithecio decuplo longioribus, coloratis a mycelio discretis; flexuosis;
ascis quaternis, ovoideo-subrostratis, 4-sporis.
Hab. in Anglia, Belgio, Germania, Italia, Gallia, etc. in pag,
inf. foliorum Corni sanguineæ, autumno.
8. Erysiphe horridula (Wallr.) Lév. in Ann. Sc. nat, 1851, tom. XV, 66
p. 170, t. 11, f. 37. Alphitomorpha horridula Wallr. - Amphigena;
mycelio arachnoideo, interdum persistente; peritheciis
sparsis vel confertis, sphæroideis, minutis; ascis in quovis perithecio
20-24, ovoideo-ellipsoideis, pedicellatis, 3-4-sporis; appendicibus
brevibus, flexuosis, sursum flexis, firmulis.
Hab. in caulibus foliisque Asperuginis procumbentis,
Onosmatis, Lycopsidis, Symphyti, Borraginis aliarumque
Asperifoliarum in Anglia, Italia, Gallia, Sibiria, Belgio,
Germania, Amer. bor. etc. - Sec. De Bary est var. E. lamprocarpæ.
9. Erysiphe Umbelliferarum (Lév.) De Bary Ueb. d. Erysiph. E. Mar- 67
tii Lév. var. E. - Haustoriis lobulatis; appendicibus crebris ramosis
hyalinis v. basi fuscis, omnibus basalibus et mycelio intermixtis;
ascis in quoque perithecio 4-8 (sæpius 6), 2-5-sporis, sæpius
3-4-sporis. - Conidia exacte cylindrica.
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