578 221. Dictyd. 9. GASTEROMYCEJE. PI. cell.aph. 
XX. 221. DICTYDIUM. Schrader. Net-mould. 
Sporangia globular, pedicelled; peridium either entirely 
or for the greater part breaking off in regular pieces. 
1. Diclydium cernuum. Drooping net-mould. 
Sporangia gregarious, globular, brownish purple, droop- 
ing, umbilicated at the tip. 
Dictydium umbilicatum, Schrader N. Gen. 1, 11. 
Mucor canceliatus, Batsch Fungi, 2, 135. 
Cribaria cermia, Persoon Syn. 189. 
Dictydium eernuum, Esenbeck Syst. 2, 33. 
On rotten wood. 
2. Dictydium splendens. Resplendent net-mould. 
Sporangia upright, roundish, shining ; pedicells bent, 
purplish-brown; sporidia yellow. 
Dictydium splendens, Schrader N. Gen. 1. 4. 
Cribaria splendens, Persoon Syn. 191. 
On the trunks of fir-trees. 
F. Stemonitide^:. Sporangia regularly formed, pedi- 
celled ; peridium thin, single, vanishing away ; jlocci free, 
netlike, perforated by the stem. 
XXL 222. STEMONXTIS. Persoon. Thread-mould . 
Sporangmm globular or long ; peridium membranaceous, 
vanishing \ jlocci entangled, netlike, perforated by the stem, 
diffluent. 
a. Flocci in an ovate mass . 
1 . Stemonitis papillata. Papillated thread-mould. 
Sporangia scattered, reddish-brown, globular ; pedicell 
perforating the fiocci to the top. 
Stemonitis reticulata, Roth Cat. Bot. 1,223. 
Stemonitis papillata, Persoon Syn. 188. 
On bared branches of oak-trees. 
2. Stemonitis ovata. Eggshape thread-mould. 
Sporangia scattered, blackish, ovate or roundish ; pedicell 
perforating half-way through the flocci. 
Stemonitis nigra, Gmelin Syst. Nat. 2, 146T. 
Stemonitis ovata, Persoon Syn. 189. 
Stemonitis atrofusca, Persoon Disp. 11. 
On rotten wood. 
