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HANDBOOK OF 
Genus 24. ASCHERSONTIA. Mont. 
Stroma fleshy, hemispherical, turbinate or pulvinate, bright 
coloured, at first covered with a fugacious byssoid veil of the same 
colour ; perithecia (or cells) immersed in the stroma, membrana- 
ceous, very thin, opening by a pore ; basidia filiform ; sporules 
fusiform, hyaline, continuous, guttulate, or spuriously septate. 
1874. Ascliersonia tahitensis. Mont. Cent, vi ., p. 122, t. 6, 
/. 3. Sacc. Syll. 3313. 
Stroma hemispherical, truncate, obtuse, yellow, 1-2 m.m. diam. 
perithecia minute, ^ m.m. diam. ; sporules minute, fusoid, acute 
at the ends, 15x2 ft,, 4 guttulate, hyaline, on filiform basidia, 
20-25 /a. 
On leaves of climber. Queensland. (Fig. 285.) 
Genus 25. POLYSTIGMINA. Sacc. Syll. hi., 622. 
Stroma on leaves, subdiscoid, convexo-plane, fleshy, reddish, 
many-celled. 
Sub-Genus. Martinklla. Conidia subspheeroid or elliptic , 
continuous, coloured. 
1875. Polystigmina (Martinella) eucalypti. Cke. # 
Mass. Grev. xviti., 7. 
On the upper surface; stroma rather orbicular, fleshy, some- 
what piano, reddish-brown; perithecia very minute, immersed, 
darker, cracked at the mouth; sporules roundish- oval, continuous, 
bright brown, 6 x 4 p. 
On leaves of Eucalyptus. Victoria. (Fig. 286.) 
Family III. LEPTOSTROMACEAk 
Perithecia more or less distinctly dimidiate, scutiform, without 
mouth, or with an ostiolum, or splitting like a Hysterium, 
membranaceous, or carbonaceous, black, erumpent, or superficial. 
Genus 26. LEPTOTHYRITJM. Kunze. 
Perithecia dimidiate, scutiform, between carbonaceous and 
membranaceous, black, without mouth, or gaping, then cut round, 
substance mostly cellulose and radiating, nevertheless spurious, 
and formed from the changed epidermis ; sporules ovoid-oblong or 
fusoid, continuous, hyaline. 
1876. Leptothyrium eucalyptarum. C. # M. Grev. 
xviii., 7. 
Perithecia scattered over bleached spots ; scutiform, flattened, 
black, angular, triangular, or rather quadrate, dehiscing in the 
middle with a stellate fissure ; sporules ovoid, continuous, hyaline, 
4x3 fi. 
On fallen leaves of Eucalyptus. Victoria. (Fig. 287.) 
