AUSTRALIAN FUNGI. 
281 
Genus 7. HTPOMYCES. Fries. 
Perithecia connected by an effused byssoid stroma, parasitic on 
Hymenomycetes, etc., immersed, brightly coloured, with short 
ostiola ; asci 8-spored ; sporidia oblong or fusoid, typically 
uniseptate, hyaline. 
1505. Hypomyces clirysospermus. Tul. Sel. Fung, hi., 51, 
t. 8,/. 1-18. Grev. xi., 5, t. 146. Sacc. Syll. 4614. 
Mycelium penetrating the matrix when living, and destroying 
it, bearing conidia ; perithecia densely packed in a rough stratum, 
spluerically ovoid, more or less elongated at the neck with acute, 
pervious, ciliate ostiola, pale yellow-brown ; asci subcylindrical, 
attenuated below, 120-200 X 9-10 p ; sporidia narrowly lanceo- 
late, mucronate at either end, uniseptate, rather constricted, 
hyaline, 25 x 6 /». 
On Boleti chiefly. W. Australia. Victoria. (Fig. 188.) 
1506. Hypomyces rosellus. A. # S. Consp. 55, t. 7 , f. 3. 
Grev. xi., t. 149. Sacc. Syll. 4617. 
Perithecia gregarious, emerging from a subiculum, or loosely 
interwoven, at first white then bright red thin mycelium, sphai- 
rically ovoid, with an obtuse or acute papilla, rosy-red, small ; 
asci linear, 150 x 6j /i; sporidia elongated, apiculate at each 
end, 3-4 guttulate, uniseptate, constricted, often unequal-sided, 
hyaline, 22-37 x 5-7 p. 
On Polyporus, etc. W. Australia. 
1507. Hypomyces tomeutosus. Fries. Grev. iv., 15. Berk. 
FI. Tasm. n., 278. Sacc. Syll. 4643. 
Stratum white, delicate, tomentose, without distinct stroma. 
On Agarics. Tasmania. 
1508. Hypomyces aurantius. Tul. Carp, hi., 43. Plow. 
Grev. hi., 44, t. 150. 
Conidia, mycelium creeping, branched, septate, white (then 
orange, fertile threads erect, branching, verticellate, conidia apical, 
ovate or obovate, hyaline, unequally uniseptate, 16-18 X 8-10 p ; 
perithecia seated on an effused, floecose, ochraceous subiculum, 
often white at the margin, crowded, spherical with a conoid apex, 
golden yellow or orange, m.m. diam. ; asci cylindrical ; sporidia 
linear lanceolate, acute, often apiculate, uniseptate, hyaline, curved, 
15-24 x 4-6 p. 
On Polyporus, etc. Queensland. 
1509. Hypomyces membranaceus. B. <j- Br. Coo£e.=Hypo- 
crea membranacea. B. t!j- Br. Proc. Linn. Soc. N. S. W . v., 
89. Linn. Trans, n., 70. 
Forming at first a very thin byssus, which gradually becomes a 
membrane, nowhere thicker than silver-paper, and thinner at the 
margin, tan-coloured ; perithecia scattered, pale orange (immature). 
Parasitic on some Polyporus. Queensland. 
