POND SURROUNDINGS 



203 



too, is required by the Gunneras, beautiful 

 foliage plants. Two species are in cultiva- 

 tion, G. manicata and G. scabra. 



Hibiscus yields a number of species which 

 naturally thrive under swamp conditions and 

 are absolutely hardy. H. militaris, H. Mos- 

 cheutos and H. palustris are the species ordin- 

 arily grown. Their large flowers, often ten 

 inches across, are white, or pink, or white with 

 a pink centre. The plants reach a height of 

 four to six feet. 



The different species of day lily (Hem- 

 erocallis) do excellently under almost any 

 conditions. Once escaped from cultivation 

 they manage to maintain themselves without 

 trouble. The large orange or yellow flowers 

 are very attractive, especially from a distance. 

 There is a variegated variety oi H. fulva. 



Of the numerous species of Iris, the Jap- 

 anese (/. lavigata, or /. Kcempferi of the 

 trade), with numerous varieties, is the most 

 satisfactory. Unfortunately these irises cease 

 blooming by the middle of July. Less beau- 

 tiful but thoroughly satisfactory is the Iris 



