GARDEN PRACTICE. 
57 
numerous, may be spudded out with an old knife, or given 
repeated doses of “ lawn sand ” at the rate of four ounces 
per (Square yard in spring. Badly-infested lawns are dif- 
ficult and expensive to renovate in this fashion, and un- 
doubtedly the cheapest and best plan in the end is to re- 
turf or sow grass seeds. Yarrow or milfoil can only be 
eradicated iby spudding out the wiry roots; in bad cases, 
Fig. 21. A ROSE-EMBOWERED SUMMER HOUSE. 
An attractive, artistic, and fragrant retreat from summer heat. 
Harmonises with the surrounding vegetation. 
by lifting the turf and replacing it by fresh turf in 
autumn. Clover, if objectionable, may be extirpated by 
repeated applications of nitrate of soda or sulphate of 
ammonia, one ounce per square yard, at intervals of a 
month or so. These manures gradually sicken the growth 
of the clover and cause it to die out. 
Lastly, there is the vexed question of worms. Well, 
we have never bothered ourselves seriously about them. 
