AUSTRALIAN FUNGI. 
313 
Genus 53. MICROPELTIS. Mont. 
Perithecia sub-convex, pierced. 
# Sporidia 3 or many septate, hyaline. 
1656. Micropeltis applanata. Mont. Cub. 325, t. 12, f. 6. 
Sacc. Syll. 5390. 
Perithecia dimidiate, scutate, orbicular, pierced with a pore in 
the centre, circumference flat. Asci clavate, or cylindrical and 
ventricose ; sporidia 6-8, fusiform, 5-septate, constricted, some- 
times curved (20-25 p long). 
On Eucalyptus tereticornis. Queensland. (Fig. 236.) 
Family XVII. FERISPORIACEJE. 
Simple. Perithecia membranaceous, coriaceous, or subcarbo- 
naceous, wholly closed, hence without mouth, and irregularly split. 
Genus 54. ERYSIPHE. Iledw. 
Perithecia superficial, sphau'oid or hemispherical, closed, at first 
yellowish, then brown, at length black, minute, waxy membra- 
naceous; mycelium arachnoid, interwoven; appendages simple or 
vaguely branched, ever dichotomous, interwoven with the myce- 
lium. Asci ovoid or nearly so, without paraphvses. Sporidia 
ovoid, hyaline. 
1657. Erysiplie vitigera. Che. cj- Mass. Grev. xv., 98. 
On both surfaces, mycelium floccose, persistent, perithecia 
gregarious, very minute (4 m.m. diam.), spheroid ; appendages 
obsolete or interwoven with the mycelium. Asci pyriform (4 in a 
perithecium), 50 x 30, bisporous ; sporidia elliptic, hyaline, 
18 x 9 p. 
On vine leaves. Victoria. (Fig. 238.) 
Genus 55. SPH2EROTHECA. Lev. 
Perithecia with one ascus, girt by floccose appendages, inter- 
woven with the mycelium. Ascus octosporous. Sporidia ovoid, 
oontinuous, hyaline. 
1658. Sphaerotlieca pannosa. Lev. Ann. Sci. Nat. 1851, 
p. 138. Sacc. Syll. i., 6. 
Mycelium woolly, then cloth -like, persistent, perithecia minute, 
globose, scattered ; appendages floccose, hyaline, shorter than the 
perithecia. Asci globose; sporidia ovoid. 
On rose leaves. Queensland. (Fig. 239.) 
Genus 56. EUROTIUM. Link. 
Perithecia superficial, globose, without mouth, membranaceous, 
smooth, sulphur yellow, or brick-red or brownish, arising from a 
conidia-bearing mycelium. Asci sphseroid ; sporidia subglobose, 
continuous, hyaline. 
1659. Eurotium herbariorum. Link. Sp. Sacc. Syll. 101. 
Perithecia seated on creeping, branched, interwoven, at first 
White filaments, sphieroid, sulphur-coloured, 75-90 p diam. ; asci 
