138 



GARDEN FOES. 



well as coating the surface with its excrement. The eggs 

 aie laid in large numbers on the under sideis of the leaves, 

 and the j^lants soon become swarmed with active flies, 

 which dart away in cloud-like masses when disturbed. 



Eemedies. — The best of all remedies is two or three 

 repeated fumigations with nicotine. One fumigation is 

 rarely successful. 



Wireworms..— These are often introduced with the 

 soil. If present, they eat their way into the stem of the 

 plant and cause the latter to collapse. 



■TIUPR T0.MAT0 J)J«KA^K. 



Kemedy. — ]ku-y a piece of cut potato tuber in the soil 

 at the base of the plant. Examine this daily, and if wire- 

 v/orm be present the culprit will be found attached to the 

 tuber. 



B DISEASES. 



Black or Brown Stripe Disease (Alacrosporium 

 solani). — The stems and the fruits of tomatoes are some- 

 times marked with brown or black stripes, the result of a 

 fungus working its way upwards from the roots. It ap- 

 pears that the fungus first attacks the roots, and thep 



