326 
This species is always aecompanied by Helminthosporium 
bacilliforme Mont. The only species. 
GENUS 149. SPORIDESMIUM Li.* 
Flocci mostly irregular, pluricellular, springing immediately from 
the obscure mycelium, rarely borne upon a distinct peduncle, 
more rarely uniseptate. 
1.—Sporidesmium polymorphum Cda, Icones L, 119. On dead 
stems of wild mignonette, Bathford. 
2.,—Sporidesmium lobatum B and Br. A.N.H., No. 1146. On 
rotting wood, Batheaston. 
3.—Sporidesmium abruptum B and Br. On rotting wood, 
Batheaston. 
4.—Sporidesmium fasciculare Cda., Batheaston. Cda. Icones I. t 
II, fig. 114. 
5.—Sporidesmium uniseptatum Band Br. A.N.H., No. 815 t 9, 
fig. 2, Batheaston. On clematis vitalba. 
6.—Sporidesmium paradoxum Cda. Icones II. t VIIL., fig. 28. p. 
6. On willow leaves near Bristol. 
GENUS 150. CONIOTHECIUM Cda.+ 
At length naked. Spores multicellular, irregular, conglutinate. 
There are two species, but probably they are hoth mere states of 
spheerize. 
1.—Coniothecium amentacearum Cda. On willows, St. Catherine’s 
Cda. Icones I. t I., fig. 26. 
Coniothecium betulinum Cde. On birch twigs, Spye Park. Cda. 
Icones I. t L., fig. 25. 
GENUS 151. bDicryosporiuM Cda.} 
Spores lingueeform, erect, plane, cellular. Cells subconcentric. 
1.—Dictyosporium elegans C7a, On decaying oak, Cda. Icones 
Il, fig. 29. 
The only species. 
* Sporidesmium, from sporos, and desmos a bond, 
+ Coniothecium, from konis dust, and theke a receptacle, 
{ Dictyosporium, from dictyon, a net and sporos. 
