herbaceous plants. 279 



mer and, where thev are not perfectly hardy, they may be 

 stored in their tubs in a frost-free place during the winter 

 months. The Zanzibar water-lily (N. Zan&ibarensis ), :i 

 beautiful blue-flowered form, is easy of culture and hardy 

 in many parts of the couutry. The yellow water-lily 

 (N.flawi) is a perfectly hardy plant, with bright sulphur 

 yellow flowers, well worthy of cultivation. Many beauti- 

 ful garden forms have been raised and are commonly grown, 

 such as the bright rosy-red N. Devoniensis and the pale 

 rose-colored N. Sturtevanti. All water lilies may be raised 

 from seeds with the greatest of ease, and some will flower 





*c. 





FIG. 126.— WATER PLANTS. 



WATER-ULY (sYUPH*A ODORATA VAR.). WATER POPPY (lIMNOCHAPIS HUMBOLDTIl). 



WATER ASEWOSE (RANUNCULUS AQUATIUS). 



in the first season. The root of most species is fleshy and 

 tuberous, and may be kept dry in winter without injury. 

 Rarer varieties are best planted in tubs, in a sandy loam en- 

 riched with plenty of well-rotted manure, and sunk a foot or 

 even less below the surface. Hardy species may be planted 

 out in specially prepared beds in the bottom of ponds and 

 lakes. Most species flower throughout the summer. 



