CHAPTER XII 

 Water Gardens Under Glass 



There is no practical difference between 

 growing water-lilies under glass and in the 

 open. Under glass you can begin a little 

 earlier — that is all. Fortunately, in nearly 

 all sections of the country, there is a suffi- 

 ciently long period of warm summer weather 

 to enable us to grow all the nymphaeas, and 

 at least the hardier of the two Victorias, in the 

 open air. In the colder sections, however, 

 it becomes necessary to provide greenhouse 

 protection for the tender species of the 

 former, and perhaps for both the Victorias. 

 Naturally, such houses have to be built vnth 

 special reference to the purpose, and they 

 are obviously expensive, running into several 

 thousand dollars. 



Formerly the circular or octagon shape 

 was looked upon with most favour for the 

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