556 181, Rubigo. 8. NEMATOMYCE. Pl. cell. aph. 
2. Rubigo alnea. j Alder funnel-mould. 
Thalli in convex tufts, reddish-brown, shining, funnel- 
shape, open at the tip. 
Rubigo alnea, Esenbeck Syst. 2, 17. 
Erineum alneum, Persoon Syn. 701. 
On the leaves of black alder. 
3. Rubigo acerina. Maple funnel-mould. 
Thalli in broad, flattish tufts, reddish-brown, when 
young pale. 
Mucor ferrugineus, Bull. Champ. 514. 
Erineum acerinum, Persoon Syn. 700. 
On maple-leaves, that have fallen. 
D. BysstpEx. Thailli fibrous, sometimes jointed, mostly 
free; sporidia mostly enclosed in the thallus.—On decayed 
wood. 
XVI. 182. CLADOSPORIUM. Link. Chain-byssus. 
Thalli upright, simple or slightly branched, rather trans- 
parent, crowded; sporidia in rows on the thalli, ovate, 
falling off. 
Cladosporium herbarum. Herb chain-byssus. 
Thalii in close tufts, light olive-green. 
Dematium herbarum, Persoon Syn. 699. 
Acladium herbarum, Link in Berl. Mag. 3, 12. 
Cladospermium herbarum, Link in Berl. Mag.7, 37. 
On decaying herbs. 
XVII. 183. HELMISPORIUM. Link. _Ring-byssus. 
Thalli upright, stiff; slightly branched, opake, crowded ; 
sporidia oblong, clubshape, ringed, falling off. 
1. Helmisporium nanum. Dwarf ring-byssus. 
Thalli scattered, forked or simple, slightly knotted; 
sporidia nearly cylindrical, scattered on the thalli, scarcely 
shorter than them. “i 
Helmisporium nanum, Esenbeck Syst. 2, 67. 
On decaying plants. 
