564 201. Stilbum. 8. NEMATOMYCE^E. Pl.cell.dpk. 
2. Stilhum villa are. Common glancehead. 
Stromata cylindrical, thickish, crowded into yellowish 
white tufts; heads hemispherical, withering. 
Stilbum vulgare, Persoon Syn. 682. 
On half- rotten stalks; autumn. 
3. Stilhum hulhosum. 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^E. Fungorum pars, 
Linnaeus, Jussieu. Gasteromyci , 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 thm , sessile , irregular , becoming fibrous , or 
skinny ; sporidia in heaps . Spumarideae. 
Peridium membranous, globular; 
sporidia naked, conglomerate Eurotium. 202. 
Per. sessile, outside towdike, 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 . Myrotheciadeae. 
Perid. flattened, branlike, brittle; 
sporidia conglutinated ............ Myrothecium. 208. 
Perid. flattened, covered with granules; 
sporidia conglobated Dichosporium. 209. 
Perid. globular or cylindrical, thin; 
sporidia heaped Licea. 210. 
Perid. irregular, very thin, vanishing; 
sporidia conglobated, very numerous . . Dermodium. 211. 
