202 WATER-LILIES 



be remembered that it possesses poisonous 

 properties, as does poison hemlock (Conium 

 maculatum), but on account of its foHage 

 which appears very early in spring, it is 

 however to be recommended. Both plants 

 reach a height of six feet or more. 



Cyperus longus is a hardy and ornamental 

 swamp plant. 



The turtle heads (Chelone) are plants very 

 fond of moist soil and possess white to reddish 

 flowers, blooming in autumn. 



The horsetail rushes (Equisetum) are very 

 satisfactory plants for the vicinity of water. 

 Their straight stems form a great contrast 

 with the cotton grass (Eriophorum) a grass 

 whose tall,, nodding plumes, are more than 

 graceful. This appearance it has in common 

 with eulalia, of which there exist two 

 variegated forms. 



The Pampas grass {Gynertum argenteuni), 

 with its most graceful plumes, greatly appre- 

 ciates the neighbourhood of water. This 

 plant, together with its numerous varieties, 

 needs protection during the winter. This, 



