Manchester Memoirs, Vol. Ivii. ''191 3), No. S. 



17 



mature filaments are attacked, and the diseased region 

 may extend from apex to base, the fungus being visible 

 to the naked eye as minute dark brown specks scattered 

 irregularly in the tissue. The presence of hyphae and 



fruitine bodi 



disturb the creneral 



Fig. 4. 

 Transverse section of infected Lemanea shoot, shewing the 

 relative size and position of the fungus fruiting body. 

 The carpospores of the host have developed normally, hut 

 the subsequent growth of the perithecium has 

 destroyed the ooblastema filaments and piocarp. 

 X1S7. 



anatomical relations of the host plant. In many instances 

 the perithecia develop in or about the procarp and its 

 attendant structures. 



\{ this occurs prior to carposporic development the 

 latter may be seriously affected or even suppressed ; but 



