NIEREMBERGIA, NIGELLA 



447 



and TV. gracilis the white form. N. rivularis, with white flowers, 

 is a good creeping perennial for the rockery. 



NIGELLA (LOVE-IN-A-MIST) 



The Nigellas belong to the Summer-flowering annuals and 

 when planted in masses, with their finely cut, dense foliage and 

 light blue flowers such as the variety Miss Jekyll has, they are 

 very attractive. They can also be used as cut flowers and a well- 

 filled bowl in your cooler will surely be commented on by your 

 customers. Nigellas can also be grown under glass for Spring flow- 

 ering, requiring the same treatment as Nemesias. 



NORFOLK ISLAND PINE 



See Araucaria 



Fig. 218. NYMPH^AS. These are the most popular of all aquatics; and the hardy 

 varieties are of the easiest culture 



