360 



The Spraying of Plants. 



PESTS. Many of the same remedies will also prove of value 

 with plants grown in the border, sulphur and the copper com- 

 pounds being particularly recommended. 



FIG. 87. Rose leaf attacked by mildew. 



Phragmidium (Pkragmidium speciosum, Fries). De 

 scription. The stems of roses suffer severely from this fungus. 

 The mycelium is perennial, and the affected places show irregu- 

 lar elevated areas on the stem (Fig. 88). They are black in 

 color, and consist of innumerable spores borne upon slender 

 filaments. In severe cases the diseased stems die. 



