GARDEN FLOWERS. 2/1 



pale mauve-colored flowers. Variety laticeolata is a vigorous 

 grower, with blue flowers. 



Norway Spruce. See Abies excelsa. 



NuPHAR. [Nymphaeacese.] Hardy water-plants, with 

 large floating leaves, like those of Nyinphxa^ but having 

 yellow flowers. The species are worth cultivating. The 

 culture of them is in all respects the same as that of Nytri- 

 phoea. 



N. advena (stranger) ; hardy aquatic perennial, floating ; 

 flowers yellow, in July; North America; 1772. N. Kalniia7ia 

 (Kalm's) ; hardy aquatic perennial, floating ; flowers yellow, in 

 July; Canada; 1807. iV. /?//^^ (yellow) ; hardy aquatic peren- 

 nial, floating ; flowers yellow, in June ; England. N. pjcmila 

 (dwarf); hardy aquatic perennial, floating; flowers yellow, in July; 

 England. N. sagittcEfolia (arrow-leaved) ; hardy aquatic peren- 

 nial, floating; flowers yellow, in July ; North America ; 1824. 



Nycterinia. [Scrophularineae.] Pretty greenhouse plants, 

 requiring to be grown in a sandy soil of peat and loam. In- 

 creased by cuttings or seeds. The perennials require an 

 airy greenhouse, and care in Avatering. The annuals to be 

 treated as half-hardy annuals. 



N. lychnidca (lychnis-like) ; greenhouse evergreen sub-shrub ; 

 I foot ; flowers white and purple, in May ; Cape. A\ sclagiiioides 

 (selago-like) ; greenhouse annual ; 9 inches ; flowers white, with 

 yellow eye, in summer ; Cape ; 1854. 



Nymph^ea. Water-lily. [Nymphceaceae.] A family of 

 beautiful water-plants, including some of the most desirable 

 for cultivation in hardy aquariums. This genus includes 

 several stove species, as well as the hardy ones ; of which 

 latter, nearly all have white flowers. The plants require to 

 be planted in a layer of rich mud at the bottom of the water : 

 and so that there is room enough for their floating foliage, 

 they need little other attention. One of the best ways of 

 fixing the rhizomes, or root-stocks, is to plant them in a 



