630 
VIII. FUNGI. 
[Hyslerium. 
A large genus in temperate regions, growing on leaves, bark, etc. 
1. H. breve. Berk, in FI. Antarct. i. 174. t. 68./. 8. Perithecia short, 
black, elliptic, prominent, orifice very narrow. Asci linear, mixed with para- 
physes. Sporidia filiform. 
Campbell’s Island : on dead leaves of TJncinia, J. B. IT. 
64. AILOGRAPHUM, Libert. 
Habit of Hysterium , but perithecia often branched and asci subglobose. 
A small temperate genus, usually epipkyllous. 
1. A. Bromi, Berk, in FI. Antarct. i. 174. t. 68. /. 9. Perithecia 
simple, black, shining, mixed with filaments. Asci very short, obovate. 
Sporidia 8, elliptic-oblong, constricted in the middle, 1-septate. 
Lord Auckland’s group : on leaves of Banthonia, J. B. A. 
65. ASTERINA, LeveiM 
Minute, flattened, epiphyllous Fungi. Perithecia fragile, formed of a fim- 
briated mycelium. Asci perfect. Sporidia 4-8. 
A small tropical, N. America, and N. Zealand genus ; only one species is known in 
Europe. 
1. A. torulosa. Berk, in FI. N. Z. ii. 208. Mycelium very sparse. 
Perithecia in scattered groups. Asci elongate. Sporidia filiform, 3-5 -sep- 
tate, contracted at the septa, greenish. 
Northern Island : on leaves of Piper, Colenso. 
2. A. sublibera, Berk, in FI. N. Z. ii. 208. t. 106./. 1. Mycelium 
sparse, in little patches. Asci elongate. Sporidia 4, oblong, 1-septate, 
hyaline. 
Northern Island: on leaves of Metrosideros diffusa , Colenso. 
3. A. fragilissima, Berk, in FI. N. Z. ii. 208. Mycelium forming 
spots scarcely in. broad, sparse. Perithecia crowded, very brittle. Asci 
globose. Sporidia obovate-oblong, 1-septate. 
Northern Island: on Veronica leaves, Colenso. 
66. EXCIPULA, Fries. 
Minute epiphyllous Fungi, forming spots or patches. Perithecium carbo- 
naceous, spherical, free, at first closed, then opening; mouth orbicular, en- 
tire; nucleus naked, gelatinous, turgid. Asci perfect. 
Mr. Berkeley limits this genus as defined by Fries, in the ‘ Summa Vegelabilium Scandi- 
navia.’ The species are natives of temperate regions. 
1. E. nigro-rufa, Berk, in FI. N. Z. ii. 202. t. 106./. 11. Sub- 
globose, black without, red within ; mouth indexed. Asci broad, clavate. 
