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564 201.Stilbum. 8. NEMATOMYCEiE. PlceU.apL
2. Stilhum vul^are. Common glancehead.
Stromnta cylindrical, thickish, crowded into yellowish
white tufts ; heads hemispherical, withering.
Stilbum Tulgare, Persoon Syn. 682.
On half- rotten stalks ; autumn.
3. St'ilhim lullosum. Bullous glancehead.
Stroma slender, bulbous at bottom, ochre-yellow; head
spherical, white, strewed with a yellowish powder.
Stilbum bulbosum, Persoon Syn. 682.
On rotten plants, in covered situations; autumn after
heavy rains.
Fam. IX. 9. GASTEROMYCE^. Fungormn pars,
Linnaeus, Jussieu. GasferomT/ci, Persoon.
Thallus 0; peridium single or double, membranaceous
or leatherlike, bladdershape ; sporidia naked, or intermixed
with fibres, included in the peridium, at first generally liquid.
A. Peridium thin, sessile, irregular, lecoming fihrmis, or
skinny ; sporidia in heaps. Spumarideae.
Peridium membranous, globular
sporidia naked, conglomerate Eurotium. 202.
Per. sessile, outside towlike, ins. flaky;
sporidia naked, conglobate JEthalium. 203.
Per. membranous, fibres membranous
at the axillae ; spor. in heaps Lignydium. 204.
Per. cellularly fibrous, ascending
sporidia in heaps Spumaria. 205.
Per. membranous; fibres upright;
sporidia in cylinders Strongylium. 206.
Per. membranous, becoming fibrous
sporidia crowded Lycogala. 207.
B. Peridium thin, sessile, irregular, vanishing in dust
sporidia in heaps, Myrotheciadeee.
Dermodium.
Perid. flattened, branlike, brittle
sporidia conglutinated Myrothecium. 208.
Perid. flattened, covered with granules;
sporidia conglobated . ., Dichosportum. 209.
Perid. globular or cylindrical, thin;
sporidia heaped Licea. 210.
Perid. irregular, very thin, vanishing;
sporidia conglobated, very numerous . .
211.