GARDEN FLOWERS. 2/1 



pale mauve-colored flowers. Variety lanceolata is a vigorous 

 grower, with blue flowers. 



NORWAY SPRUCE. See ABIES EXCELSA. 

 NUPHAR. [NymphaeaceJE.] Hardy water-plants, with 

 large floating leaves, like those of Nymphcea, but having 

 yellow flowers. The species are worth cultivating. The 

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

 phoea. 



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

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

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

 July; Canada; 1807. N. httea (yellow) ; hardy aquatic peren- 

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

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

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

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



NYCTERINIA. [Scrophularineas.] 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 watering. The annuals to be 

 treated as half-hardy annuals. 



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

 i foot ; flowers white and purple, in May ; Cape. N. selaginoides 

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

 yellow eye, in summer ; Cape; 1854. 



NYMPHCEA. Water-lily. [Nymphasaceje.] 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- 



