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HANDBOOK OF 
black ; perithecia globose, crowded, rather prominent, minutely 
mamillate. Asci cylindrical. Sporidia ovate, obtuse, more or 
less unequal-sided, blackish, 12-16x5-7 p.. 
On bark. Queensland. 
b. Stroma black. 
1570. Hypoxylon multiforme. Fr. Summ. Veq. Scan. 384. 
Sacc. Syll. 1376. 
Stroma erumpent, on corticate branches, girt by the ruptured 
cuticle, or at length free, superficial, hemispherical, thick, sub- 
globose, elliptic, or flattened, or convex, often deformed, on naked 
wood more or less effused, superficial, stroma for the most part 
connate or confluent, at first rubiginous, then black, even ; peri- 
thecia rather large, globose, papillate, on tnberculose protuber- 
ances. Asci cylindrical, 72-100 x 6 p. Sporidia fusiform, un- 
equal-sided, brown, 10-12 x 4-5 p. 
On bark or wood. Victoria. W. Australia. Tasmania. 
1571. Hypoxylon cohaerens. Fees. Fries. S. V. S. 384. 
Sacc. Syll. 1370. 
Stroma erumpent, soon superficial, free, subglobose, or flattened, 
pulvinate, thick, rarely confluent, dirty brown, then black. Peri- 
thecia rather large, globose or ovate, minutely papillate ; asci 
cylindrical. Sporidia ovate, obtuse, unequal-sided, blackish, 
12 x 6 p.. 
On branches. Tasmania. 
*** Clitoxylon. 
Stroma pulvinate, more or less convex, not effused. 
* Stroma coloured. 
1572. Hypoxylon haematostroma. Mont. Syll. 737. Sacc. 
Syll. 1435. 
Irregularly effused, confluent, convex, purplish black ; peri- 
thecia peripherical, elongated-clavate, immersed, rather prominent, 
stroma blood-red. Sporidia navicular (10-12 x 3^ p), brown. 
On bark. Queensland. 
c. Stroma black. 
1573. Hypoxylon annulatum. Schw. Mont. Syll. 213. 
Sacc. Syll. 1384. 
Hemispherical, confluent, becoming black, internally of the 
same colour ; perithecia subglohose, ostiola in the centre of a 
dilated disc, with a rather prominent annulate margin ; asci cylin- 
drical. Sporidia ovoid, curved, sooty brown, 9 x 3 p. 
On bark and wood. Tasmania. 
1574. Hypoxylon marginatum. Scliwz. Amer. Bor. 1176. 
Sacc. Syll. 1414. 
Hemispherical, confluent, finally black, of the same colour within 
ostiola seated singly in a distinct marginate disc ; asci cylindrical 
