170 TOWN PLANTING 



many years. Some of Marliac's varieties also 

 do well and are extremely showy, preferably the 

 red and yellow forms. It might be mentioned 

 that the Cape Pond Weed and one of Marliac's 

 pink Water Lilies have succeeded well for the 

 past ten years in a small pond in the very 

 heart of London. Of course, when the water 

 is renewed at frequent intervals aquatic plants 

 have a much better chance of succeeding than 

 when this is stagnant, and especially if polluted 

 by soot and other atmospheric impurities. 



