3J;6 OUTLINES OF BRITISH FUNGOLOGY. 



201. POLYTHRINCIUM, Kze. 

 Flocci moniliform. Spores springing from the midst of 

 the flocci, didymous. 

 1. trifolii, Kze. ; Grev. t. 21G. On living clover-leaves. 



202. CLADOSPORIUM, Lk. 



Flocci flexuous, more or less branched, jointed, flexible. 

 Spores short, at. length nniseptate, springing from the sides or 

 terminal. 



1 . herbarum, Lk. On all kinds of decaying matter. 



2. dendriticum, Walr. {no. 512). On pear-leuves.* 



ji. orbicidatum, Desm. {no. 513). On leaves of Pyramntha. A va- 

 riety of the last. 



3. dcpressum, B. and Br. {no. 514, with Juj.). On leaves of yhujelica 



sylvesti'is. 



4. brachoiinium, B. and Br. {no. 515). On leaves of Fumaria officinalis. 



5. bgnicolum, Cd. {no. 516). On dead wood. 



6. nodulosum, Cd. {no. 517). On dead herbaceous steins. 



Clad, fmnago is not a distinct species, but consists of C. 

 herbarum mixed up with species of several other genera. 



203. ARTHRINIUM, Kze.^ 



Flocci erect, septate, dark, and slightly thickened at the 

 septa. Spores straight, swollen in the middle, and pointed at 

 either extremity (fusiform). 

 1. sporophleiim, Kze. {no. 519). On Ca rices. 



201. GONATOSPOEIUM, Cd. 

 Flocci erect, septate, thickened at the septa. Spores irre- 



* Actinonema Cratagi is merely a form of this species. 



t The threads in this and the two following genera arc carbonized only at 

 the joints. 



