328 OUTLINES OF BRITISH FUNGOLOGY. 



1. amentacearura, Cd. (no. 460). On willow-twigs. 

 3. betuliiium, Cd. (no. 461), On birch-twigs. 



149. DICTYOSPORIUM, Cd. 



Spores lingu?eform, erect, plane, cellular. Cells subcon- 

 centric. 

 1. clcgans, Cd. {no. 4.58). On naked oak. 



150. TETRAPLOA, B. and Br. 



Spores mostly quadriarticulate, growing together in fours, 

 and each crowned with a jointed bristle. 

 1. aristata, B. and Br. {no. 457, with a fig.'). On grass, 



151. ECHINOBOTRYUM, Cd. 

 Parasitical. Spores unicellular, stellato-fasciculatc, ovato- 



acuminate, rough. 



1. atmni, Cd. {no. 457*). On l)lack moulds, 



152. GYMNOSPORIUM, Cd. 

 Mycelium very obscure. Spores unicellular, arising appa- 

 rently from the matrix, 



1, Arundinis, Cd. On rectls. The white Gymnospor'm will be found 

 xnider Ascomijccs. 



Oeder15. PJJCGINIJEI. 



Parasitic on living plants. Pcridium none. Spores pro- 

 ducing on germination secondary spores, 



153, XENODOCHUS, Schlecht. 



Spores mnltiscptatc, nioniliforni, breaking up into many 

 distinct articulations. 



