184 



NIEREMBERGIA NUPHAR. 



orange fruit. Flowers, in summer ; 

 white, very small and inconspicuous, 

 sessile, solitary in the axils of the 

 leaves, succeeded by a profusion of 

 bright red berries. Leaves, broadly 

 ovate, blunt or acute, from \ to i in. 

 long, rather fleshy ; stems 4 -angled, 

 tufted, creeping and rooting, 6io 12 in. 

 long. New Zealand, and the Andes of 



South America. The rock-garden 



in moist spots, or in pans. Division. 



Nierembergia frutescens (Tall N.} 

 A very elegant plant, naturally of 

 somewhat shrubby habit, but with 

 us usually cut down by frosts in 

 winter; 12 to 18 in. high. Flowers, 

 in early summer ; delicate blue shad- 

 ing to white at the edges, about I in. 

 across when well-grown, densely pro- 

 duced on the much-branched, flax-like 

 stems. Leaves, linear, 1 to 2 in. 

 long. Easily distinguished from all 

 other cultivated species by its tall 



and half -shrubby habit. Chili. On 



warm borders or banks, or lower parts 

 of the flanks of the rock-garden, in per- 

 fectly-drained, light, rich soil. Very 

 quickly increased by cuttings put in a 

 gentle hot-bed. 



Nierembergia rivularis (White Cup}. 

 A handsome plant, with slender, 

 smooth, creeping, rooting stems, much 

 branched and matted ; 4 or 5 in. high. 

 flowers, in July ; bell-shaped, white, 

 with a yellowish, and sometimes a 

 rosy tinge ; corolla about 1 in. across 

 with 5 broadly-obtuse, spreading lobes, 

 and a very slender tube, from 1 in. 

 to 24 in. long ; calyx to f in. long, 

 cylindrical, with 5 slightly spreading, 

 oblong - lanceolate, pointed lobes. 

 Leaves, very variable in size, 1 to 3 in. 

 long, including the stalk, which is 

 long and slender ; blade of leaf oblong 

 or oblong- spoon -shaped, obtuse, mem- 

 branous, almost without nerves. La 



Plata. The rock-garden, and the 



margins of borders, in moist, sandy 

 loam. Division. 



Nuphar ad vena (Yellow American 

 Water-lily) . Nymphcea advena. 

 A noble aquatic plant, with heart- 

 shaped leaves, rising considerably 

 above the surface of the water. Flow- 

 ers, in summer ; yellow, with red 

 anthers, large, on round stalks, 

 rising above the surface of the water ; 

 petals numerous, small, never exceed- 

 ing the stamens ; calyx of 6 sepals, 

 purple within, and green without. 

 Leaves, erect, heart - shaped - oblong, 

 more narrowed towards the top thau 

 those of N. lutea, on half-round stalks. 

 Native of lakes, ponds, and ditches, 



from Canada to Carolina. Lakes 



and ponds, associated with our White 

 and Yellow Water-lilies, and other 

 fine aquatic plants. Division. 



Nuphar Zalmiana (Small Yellow 

 Water - lily}. A small - flowered 

 species. Flowers, in summer : yellow, 

 floating. Leaves, heart-shaped, slightly 

 margined ; lobes nearly meeting ; leaf- 

 stalks almost round ; calyx with 5 



divisions. N. America. Quiet 



clean bays in lakes or ponds, or foun- 

 tain basins. Division. 



Nuphar lutea (Common Yellow Water- 

 lily). A well-known inhabitant of 

 our rivers and ponds. Flowers, nearly 

 all the summer ; yellow, on stalks 

 rising a little above the surface, much 

 smaller and less expanding than those 

 of the White Water-lily, emitting a 

 brandy -like scent ; petals very nu- 

 merous; sepals 5, roundish, blunt, 

 erect, about twice the length of the 

 petals. Leaves, oval or heart-shaped, 

 smooth, flat, turning up a little at 

 the margins, 8 to 12 in. across, on 

 smooth 3-sided stalks. N. pumila is 

 a variety smaller in all its parts, 

 found in a few localities in Scotland. 

 Europe and Britain in slow streams, 



pools, and ditches. Lakes, ponds, 



or streams, associated with the White 

 Lily, Villarsia, and other good aqua- 

 tic plants. Division. 



