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crowded, rather large, rounded at the vertex, or rarely papillate. 
Asci cylindrical, 75-100 X 6-8 p. Sporidia oblong, rounded at the 
ends, unequal sided, curved, rarely straight, becoming blackish, 
12-14 X 5-6 p. 
On rotten wood. Queensland. 
1580. Hypoxylon Archeri. Berk. FI. Tasm. it., 280. Sacc. 
Syll. 1449. 
Quite hlack, effused ; perithecia subglobose, truncate, rather 
rugose, ostiola papillate, in the centre of a depressed disc ; sporidia 
short, sooty brown, 10 X 4-5 p. 
On rotten wood. Tasmania. 
1581. Hypoxylon ellipticnm. Cke. 4" Mass. Grev. xvii., 70. 
Parallel, elliptic (3-5 X 2 rn.in.), convexo-plane, black, opaque, 
of the same colour within. Ostiola minute, crowded, punctiform. 
Asci cylindrical, sporidia fusiform, continuous, sooty black, at first 
guttulate, 28-25x6-7 p. 
On naked wood. Queensland. 
Family III. DOTHIDEACE2E. Fr. 
Composite, stromatic, pulviuate, etc., coriaceous or carbonaceous, 
blackish. Perithecial cells homogeneous with the substance of the 
stroma, and scarcely distinct from it, papillate or pierced. 
Sub-Family 1. Dothideoidei. 
Genus 18. PHYLLACHORA. Fckl. 
Stroma somewhat clypeate or shortly effused, for the most part 
growing on leaves. 
1582. Phyllachora graminis. Pers. Obs. i., t. I, f. 1, 2. 
Sacc. syll. 5182. 
Stroma distinct or confluent, innate in the parenchyma of the 
leaf, rather prominent, covered by the adnate, shining, blackened 
epidermis, variable in form, for the most part oblong or lanceolate, 
black, unequal, rugulose (about 1 m.m. long) ; perithecia im- 
mersed, ostiola latent. Asci cylindrical, 78-80 X 7-8 p. Sporidia 
ovoid, simple, usually including a large guttule, hyaline, 8-12 X 
4-5 p. Spermatia falcate, 16 x 1 i-2 p, hyaline, in the young 
cells. 
On leaves of grass. 
1583. Phyllachora rhytismoides. Ca. Tc. Fungi iv., /. 122. 
Sacc. Syll. 5093. 
Immersed, black, shining, spots decoloured ; pustules black, 
minute, pulvinate, verrucose, ostiola perforating the warts ; stroma 
hard, thick, black ; perithecia crowded on the upper or under sur- 
face, immersed, rounded, white within. Sporidia ovoid, hyaline, 
16-18 p long. 
On phyllodes of Acacia. Queensland. 
