NATURAL AND ARTIFICIAL LAKES 



known as Trapa natans), which bears white flowers ; 

 and the floater with attractive foliage, Salvinia 

 Braziliensis. In order to keep these annuals from 

 year to year, it is necessary to take a little clump of 

 each into the house, and keep them floating on the 

 water in a deep bowl or jardiniere. On placing them 

 in the lake again in the spring, they will quickly 

 flourish into fresh luxuriance. 



Native rushes, sweet pepper bush, papyrus, sweet 

 flag, irises, and plants of a similar nature will 

 flourish along the outer margin of the lake in the 

 damp soil caused by the overflow. It is important 

 to give both classes of water plants careful study 

 those used merely to decorate, and those used to 

 aerate the garden lake if we would have it con- 

 tinue a success. 



The lake of ample dimensions offers other delights 

 besides those of water gardening. One of the most 

 fascinating features is to follow the old Roman cus- 

 tom of collecting and raising decorative water fowl. 

 There are few forms of garden "ornamentation" 

 that will equal the beauty and interest in showy 

 swans, ducks, and geese collected from various 

 countries. It is claimed that the average garden lake 

 owned by one whose hobby runs to collecting water 

 fowl can become the possessor of many treasures 

 unknown to Roman gardens. In these days of fre- 

 quent travel and cheap transportation, we are gradu- 



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