AUSTRALIAN FUNGI. 
359 
1877. Leptothyrium aristatum. Cooke Grev. xx., 6. 
Perithecia scattered, superficial, scutate, orbicular, submem- 
branaceous, radiately cellular, dark-brown (-jL nun.) ; sporules 
cylindrical, strongly curved, obtuse at the ends, with an oblique 
hyaline bristle at one end, equal in length to the sporule, hyaline, 
14-15 x 2-3 /x. 
On dead leaves of Eucalyptus. Victoria. 
Genus 27. FIGGOTIA. B. <$• Br. 
Perithecia flattened, unequal, thin, at first covered by the 
cuticle ; sporules oblong, continuous, hyaline. 
1878. Piggotia substellata. Cooke Grev. xx., 6. 
On the under surface, forming small, somewhat orbicular, stellate 
black patches (1-2 ni.tn. diam.), composed of the confluent, 
flattened perithecia, which are sometimes distinct, seated on rather 
larger tawny spots ; sporules cylindrical, straight, obtuse at the 
ends (8x1 /a), hyaline, on longer simple basidia. 
On leaves of Eucalyptus. Victoria. (Fig. 371.) 
Genus 28. MELASMIA. Lev. 
Perithecia dimidiate, plane, almost without a mouth, or cracking, 
membranaceous, black, innate in a blackened, effused stroma, 
often on leaves ; sporules elongated, continuous, subhyaline. 
1879. Melasmia eucalypti. Cke. Mass. Grev. xvi ., p. 75. 
Spots orbicular or confluent (2 m.m. diam.), black ; perithecia 
few, somewhat gregarious, elliptical, or lanceolate, dehiscing by a 
fissure, then hysterium-like ; sporules lanceolate, acute at eacli end, 
continuous, hyaline (15 x 5 /»), on rather long, simple basidia. 
On dead leaves of Eucalyptus. Victoria. Queensland (Fig. 
288.) 
Genus 29. ACTINOTHECIUM. Ces. 
Perithecia at first orbicular or angular, scutate, dehiscing by 
radiating fissures, rays longitudinally narrowly cracked ; sporules 
ovate-long, continuous. 
1879 bis. Actinothecium ? scortechinii. Sacc. <$• Berl. 
iSacc. & 'yll. 3398. 
Perithecia linear, straight, or curved, subsuperficial, furcate or 
variedly branched, plano-convex, longitudinally sulcate, spores 
unequal, here and there open ; fructification unknown. 
On leaves of Smilax. Queensland. 
Genus 30. SACIDIUM. Nees. 
Perithecia dimidiate, clypeate, without mouth, black, membra- 
naceous ; sporules globose or ellipsoid, hyaline, or pale coloured. 
1880. Sacidium eucalypti. Cke. (j- Mass. Grev. xvi., 75. 
On both surfaces ; perithecia gregarious, erumpent, small, 
flattened, black, soon deficient above ; sporules globose, con- 
tinuous, hyaline, 5-6 p diam. 
On dead leaves of Eucalyptus globulus. Victoria. 
