214 The Fungi of Wiltshire. 



Cladosporium herbarum Lk.,veTj common on decaying vegetables. 



Genus CCIII., Arthrinium Kze. Flocci erect, septate, dark, and 

 slightly thickened at the septa. Spores straight, swollen in the 

 middle, and pointed at either extremity. 



Arthrinium sporophleum JTze., Spye Park, on sedges. 



Genus CCIV., Gonatosporium Cd. Flocci erect, septate, thickened 

 at the septa. Spores irregularly biconical, and in consequence 

 somewhat angular, attached in whorls. 



Gonatosporium puccinioides Cd., Rudlow, on sedges. 



Genus CCV., Camptoum Lk. Flocci erect, septate, thickened at 

 the septa, and black. Spores curved, dark, fixed in clusters at the 

 apices. 



Camptoum curvatum Lh., Spye Park, on sclrpus sylvaticus. 



Genus CCVI., Sporodum Cd. Flocci erect, septate. Threads of 

 inarticulate spores moniliform, seated towards their base. 



Sporodum conopleoides Cd., Spye Park, &c., on grasses. 



ORDER XX. MUCEDINES. 



Genus CCVII., Aspergillus Mich. Threads erect, articulate, 

 crowned with a globose head, producing necklaces of spores. 



Aspergillus glaucus Lk., common on decaying matter. 



Genus CCVIII., Nematogonum Desm. Threads clavate at the 

 apices, and bearing necklaces of spores on distinct, scattered spicules. 



Nematogonum aureum B., on elm bark, Bowood and Rudlow. 



Genus CCIX., Rhinotrichum Cd. Threads erect, articulate, cla- 

 vate above, and bearing spores attached to spicules. 



Genus CCX., Botrytis Mich. Threads septate, irregularly, or 

 dichotomously branched, hj^aline, or coloured. Spores terminal. 



Botrytis Tilletii Desm., Rudlow, on leaves, &c. 



Genus CCXI., Peronospora Cd. Parasitic threads mostly inar- 

 ticulate. Spores of two kinds; 1, on the tips of the branchlets ; 

 2, large, globose, on the creeping mycelium. 



Peronospora infestans Casp., on potato leaves, forming the potato 

 disease. 



Genus CCXII., Verticillium Lk. Flocci septate, hyaline, or 

 coloured. Branches verticillate. Spores apical. 



