ENCYCLOPHIDIA OF GARDENING. 
or Sept., & partly immerse pan in water; wholly when seedlings 
appear. Insert cuttings 2 to 3in. apart in spring or autumn, partly 
immerse at first, wholly after. 
CULTURE IN TRENCHES: Soil, ordinary. Position, sunny. 
Dig trench 2ft. wide, 1ft. deep. Put 6in. decayed manure in & 3in. 
of soil on this. Sow seeds thinly fin. deep in April & Aug. Keep 
well watered. Cress sown in April gather June to Sept.; in Aug., 
Nov. to May. Propagate for beds by seeds sown on a shady border in 
April, & kept moist; by division of the plants in May or Aug. Cress 
marketed by the dozen bunches, each bunch containing as many shoots 
as one hand will hold. Average price per doz. bunches, 6d., to Is. 
SPECIES CULTIVATED: N. officinale, white, June, Britain. See Tropxolum for 
garden nasturtiums. 
Natal Lily (Clivia miniatum)—See Clivia. 
Native Ivy of Australia (Mublenbeckia adpressa). — See 
Muhlenbeckia. 
Navel-wort (Cotyledon umbilicus).—See Cotyledon. 
pee pelran Cyclamen (Cyclamen neapolitanum).—See Cy- 
clamen. 
Neapolitan Daphne (Daphne collina).—See Daphne. 
Neapolitan Violet (Viola odorata pallida plena)—See Viola. 
Necklace Poplar (Populus deltoidea)._See Populus, 
Nectarine.—See Prunus. 
Neilgherry Lily (Lilium neilgherrense).—See Lilium. 
Neillia (Nine Bark).—Ord. Rosacew. Hardy evergreen shrubs. 
Flowering & orn. foliage. First introduced 1690. 
CULTURE: Soil, ordinary. Position, open sunny shrubberies or 
banks. Plant, Oct. to March. Prune flowering species moderately 
after blooming; variegated variety in Feb. Propagate by seeds sown 
Zin. deep in sandy soil in sheltered position outdoors, autumn or 
spring; cuttings of firm shoots, 2 to 3 in. long, inserted in sand under 
bell-glass any time. 
SPECIES CULTIVATED: N. amurensis (Syn. Spirea amurensis), white, summer, 
4 to 6 ft., Amur; opulifolia (Syn. Spirea opulifolia), white, June, 4 to 7 ft., N. 
America; opulifolia lutea, leaves golden. 
Nelson’s Phlox (Phlox Nelsoni).—See Phlox. 
Nelumbium (Sacred Bean; Egyptian Bean; Chinese Water 
Lily)—Ord. Nymphacee. Greenhouse aquatic rhizomatous-rooted 
perennials. Orn. foliage & flowering. First introduced 1787. Flowers, 
fragrant. Leaves, shield-shaped, 1 to 2ft. in diameter, bluish green. 
CULTURE: Compost, two parts loam, one part well-decayed manure. 
Position, in tanks or tubs of water heated to a temp. of 60° to 65°. 
Plant rhizomes 3 to 4in. below surface of water in Feb. or March. 
Temp., March to Oct. 55° to 65°; Oct. to March 45° to 55°. Draw off 
water from tank in Oct., & keep rhizomes dry till Feb. N. speciosum 
may be grown in tank in sunny position outdoors, June to Sept. Pro- 
pagate by seeds sown in sandy soil, 2 to 3in. below surface of water, 
heated to temp. of 60° to 70° any time of year; division of rhizomes 
Me CULTIVATED: N. luteum, yellow, July, 8. United States; speciosum, 
white and rose, July, Trop. Asia. The following are varieties of the latter species: 
Album grandifiorum, white; album plenum, double white; album striatum, white 
and carmine; roseum grandiflorum, rose; and roseum plenum, rose, double. 
Nemastylis.—Ord. Iridacew. Half-hardy flowering bulbs. De- 
ciduous. First introduced 1875. 
OUTDOOR CULTURE: Soil, light rich sandy. Position, sunny 
285 
