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220 MICROSCOPIC FUNGI.
Microsphseria grossularise, Lev. Goosebeeey Blight ;
anipliiijeiious ; mycelium web-like, fugacious or persistent ;
conceptacles
scattered or gregarious, globose, minute; appendages
10—15, vaguely dicliotomous, ultimate branchlets bidentate ;
sporangia 4—8, ovate, containing 4—5 spores.
— On Gooseberryleaves.
Autumn. Prequent.
Ekysiphe,
Hedw.
Mycelium arachnoid ; appendages floccose, simple or irregularly
branched.— Berk. Ouil.y p. 404.
* Sporangia %spored.
Erysiphe Linkii, Lev. Mugwort Blight; amphigenous;
mycelium web-like ; fugacious or persistent ; conceptacles minute,
globose, scattered, emersed ; appendages white, interwoven wit h
the mycelium ; sporangia 8—20, pyriform, with elongated pedicels.
— On leaves of Mugwort. Autumn, f'requent. (Plate XIL
figs. 248, 249.)
Erysiphe lamprocarpa, Lev. Composite Blight ;
amphigenous;
mycelium web-like, fugacious or persistent; conceptacles
minute, globose, scattered, or gregarious; appendages
coloured, interwoven — with the mycelium ; sporangia 8—16, shortly
pedicellate. On leaves of Salsify, Scorzonera, Plantain, &c. Autumn.
Not uncommon. (Plate XII. figs. 250, 25L)
^'-'Sporangia Z—S-spored.
Erysiphe graminis, D.C. Grass Blight ; amphigenous
or epiphyllous ; mycelium efl'use, floccose, ])ersistent ; conceptacles
large, gregarious or disseminated, hemispherical, at length depressed
and semi-immersed; appendages simple or interwoven
with the mycelium; sporangia 20—24, ovate, pedicellate, with
8 spores.— C)n leaves of Grasses. Autumn. Prequent. (Plate XI.
figs. 235, 236.)
Erysiphe Martii, Lk. Pea Blight; amphigenous; mycelium
web-like, very often evanescent, globose ; appendages short,
interwoven with the mycelium ;
sporangia 4—8, globose, pedicellate,
with 4—8 spores.— On leaves of Peas, Beans, Unibellifer^,
and other plants. Autumn. Yery common. (Plate XL figs.
237-239.)
Erysiphe Montagnei, Lev. Burdock Blight; amphigenous
or hypophyllous ; mycelium web-like, evanescent; conceptacles
minute, globose, gregarious or scattered; appendages,
distinct from the mycelium ; sporangia 8, ovate, rostrate, with
2—3 spores.— On leaves of Burdock. Not uncommon.