WATER IN THE GARDEN 



195 



just above the level of the ground. A centre- 

 bit hole must be made in the bottom of the 

 tub and fitted with a plug long enough to give 

 a good hand-hold. A piece of perforated 

 zinc should be nailed over the hole at its under 

 side, to prevent coarse debris running through 

 and choking the drainage material below. 

 These expedients, simple enough to put into 

 practice, are all that is necessary to provide 

 for an occasional change of water. 



Fig. 54. Tub for water plants 



The hard circular outline of the tub is the 

 only objection on the score of appearance. 

 The best way to mask it is to pack some boggy 

 soil around and between the tubs, and to grow 

 in it small water-side plants, which, if suitably 



