ENCYCLOPEDIA OF GARDENING. 
Arnatto (Bixia orellano)—See Bixia. 
Arnebia.—Ord. Boraginaces. Hardy annuals & perennials 
CULTURE: Soil, ordinary. Position, sunny rockery, well drained. 
Sow seeds of annual species in light soil in gentle heat in March, & 
plant out seedlings in May. Plant perennial species in Oct. or March 
© INNUAL SoncuEn ee coeds. 
to 2 ft., Turkestan; Griftth® yellow aun 9 Pott nae pecans atietn: 
PERENNIAL SPECIES: A. macrothyrsa, yellow, summer, 1 ft., N. Kurdistan. 
A. echioides (Prophet Flower) now included in genus Macrotomia, which see. 
Arpophyllum.—0Ord. Orchidaces. Warm greenhouse terrestrial 
orchids. Evergreen. First introduced 1838. 
CULTURE: Compost, good fibry peat & charcoal. Pot, Feb. or 
March. Position, well-drained pots in sunny part of house. Temp., 
Oct. to Feb, 45° to 55°; other times 55° to 65°. Water moderately in 
winter, freely in summer. Resting period, winter. Flowers appear at 
base of new pseudo-bulb after resting. Propagate by division of plants 
when repotting. 
SPECIES CULTIVATED: A. cardinale, rose, summer, 1 ft., New Grenada; gigan- 
teum, purplish rose, April, 2ft., Mexico; spicatum, purple, April, 1ft., Mexico 
and Guatemala. 
Arrow Arum (Peltandra virginica).—See Peltandra. 
Arrow-head (Sacittaria sagittifolia).—See Sagittaria. 
Arrow-reot Plant (Maranta arundinacea).—See Maranta. 
Artemisia (Old Man; Old Woman; Lad’s Love; Wormwood; 
Tarragon; Southernwood).—Ord. Composite. Hardy shrubs, herba- 
ceous perennials and annuals, with hoary and fragrant foliage. Ever- 
green & deciduous. 
' CULTURE OF SHRUBBY AND HERBACEOUS SPECIES: Soil. 
ordinary. Position, sunny borders or rockeries: Plant, Oct. or March. 
Increased by cuttings inserted in open ground in summer for shrubby 
kinds; division in Oct. or March for herbaceous species; seeds sown 
outdoors in April for annual & other species. 
CULTURE OF TARRAGON: Soil, light, dryish, ordinary. Posi- 
tion, sunny border. Plant roots 2 to 3in. deep, 8in. apart in rows 
18in. asunder, March or April. Replant annually. Cut foliage off 
in Sept., & dry it for use in winter. Place a few roots in ordinary soil 
in box or large pot, & put this in warm greenhouse in Oct. to supply 
young shoots during winter. Propagate by cuttings of shoots inserted 
in ordinary soil in temp. 55° in March or Apvil, or under hand-light 
outdoors in July; division of the roots in March or April. . 
SHRUBBY SPECIES: A. Abrotanum (Southernwood, Lad’s Love, or Old Man), 
yellow, Aug., leaves fragrant, 2to 4ft., Europe; osrulescens, blue, Aug., leaves 
silky white, 2ft., 8. Europe. 
HARDY PERENNIAL SPECIES CULTIVATED: A. alpina, yellow, summer, 6in., 
Caucasus; argentea, yellow, July, 18 in.; Madeira; cana, yellow, Aug., 2 to 8 ft., 
N. America; lanata, silvery leaved, pretty, Gin., Europe; dranunculoides (Tarra- 
gon), 2ft., N. America; pontica, grey foliage, 2ft., Austria; Absinthum (Worm- 
wood), yellow, Aug., 18in., Europe. 
ANNUAL SPECIES: A. annua, yellow, summer, 5 to 6it., E. Europe. 
Arthropodium.—ord. Liliacew. Greenhouse herbaceous peren- 
nials. First introduced 1800, 
CULTURE: Compost, two fee sandy loam, one Abel peat, & a 
liberal quantity of silver sand. Position, well-drained pots in sunny 
part of greenhouse. Pot, March or April. Water freel, spring & 
summer, moderately autumn & winter. Temp., Oct. to March 40° to 
45°; March to Oct. 55° to 65°. Propagate by seeds sown in a mixture 
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