XXIV.] 



BARBERRY BLIGHT. 



163 



investing cells, is shown at FF, and the sulphur-yellow 

 spores hanging in chains from the open cup at G. As the 

 spores composing these chains drop away into the air, others 

 are produced by a continued growth from the bed of fine 

 mycelium or spawn at D. The shading indicates the 





FIG. 84. 



Section through a cup of JEcidium Berberidis, Pers. 

 Enlarged 150 diameters. 



crimson corrosion of the cells of the barberry leaf caused 

 by the presence of the embedded JSridium cup, and the 

 constituent cells of the leaf are shown at HH. 



The growth of the spermogonia is not quite the same 



