48o 



White Rust of Cabbages. 



[NOV., 



which at least 80 per cent, of the total phosphate of lime is 

 soluble in a 2 per cent, solution of citric acid used according to 

 Wagner's directions. 



This destructive fungus — Cystopus candidus — has a world-wide 

 distribution, and attacks many kinds of plants belonging to the 



most from its presence ; among wild plants the Shepherd's purse 

 (Fig. 1) is most frequently attacked. 



White Rust 

 of Cabbages. 



cabbage family — Craciferce — both cultivated 

 and wild, In this country the various forms 

 of cabbage, radish, and horse-radish suffer 



X \ 



y 



White Rust — (1) on Shepherd's Purse; (2) on Young Cabbage Leaf, 



