GARDEN FLOWERS. 2/1 



pale mauve-colored flowers. Variety lanceolata is a vigorous 

 grower, with blue flowers. 



Norway Spruce. See Abies excelsa. 



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

 large floating leaves, like those of Aymphcea, but having 

 yellov/ flowers. The species are worth cultivating. The 

 culture of them is in all respects the same as that of Ny??i- 

 phosa. 



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. A". ////t'^z (yellow) ; hardy aquatic peren- 

 nial, floating ; flowers yellow, in June ; England. N. pu?nila 

 (dwarf); hardy aquatic perennial, floating ; flowers 3'ellow, in July; 

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

 nial, floating; flowers 3'ellov.', in July ; North America; 1824. 



Nycterinia. [Scrophulariaceae.] Pretty greenhouse 

 plants, requiring to be grown in a sandy soil of peat and 

 loam. Increased by cuttings or seeds. The perennials re- 

 quire an airy greenhouse, and care in watering. The annu- 

 als to be treated as half-hardy annuals. 



A^. lychnidea (lychnis-like) ; greenhouse evergi^een sub-shrub ; 

 I foot ; flowers vvhite and purple, in May ; Cape. A", selaginoides 

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

 yellow eye, in summer ; Cape ; 1854. 



Nymph.ea. Water-lily. [Nymphaeaceae.] 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 w^ays of 

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



