ENCYCLOPEDIA OF GARDENING. 
years old. Bears seed when 30 to 40 years old. Number of seeds in 
a pound, 5,000. Weight of a bushel of seed, 141b. Average height, 
130 ft. Weight of timber per cubic foot, 381b. Number of cubic feet 
timber to a ton, 58. Average price per cubic foot, 9d. to 1s. Timber 
used for fencing, pit wood, scaffold poles, and boat building. Quantity 
of seeds to sow 100ft. square of bed. Propagate by seeds sown 1 in. 
deep in beds 4 ft. wide with 1 ft, alleys between, in March. Transplant 
seedlings when two years old. 
SPECIES CULTIVATED: L. davurica, 10 to 20 ft., Siberia; europea (Common 
Larch), 60 to 120 ft., Europe; and its varieties glauca pendula, pendula and 
sibirica (Siberian Larch); Griffithii (Sikkim Larch), 30 to 40 ft., Himalayas; 
leptolepis (Japanese Larch), also known as japonica, 30 to 40 ft., Japan; occi- 
dentalis (American Larch), 100 to 150 ft., N. America; -pendula (Black Larch), 
70 to 80 ft., N. America. 
Larkspur.—See Delphinium. 
Lasiandra.—See Tibouchina. 
Lasthenia.—Ord. Composite. Hardy annuals. First intro- 
duced 1834. 
CULTURE: Soil, ordinary. Position, warm, sheltered rockeries, 
beds, or borders. Propagate by seeds sown 4 in. deep in April, where 
plants are required to grow for summer flowering; in Sept. or Oct., 
similarly for spring flowering. 
SPECIES CULTIVATED: L. glabrata (Syn. californica), yellow, summer, 1 ft., 
California; glabrata glaberrima, yellow, June, 1 ft. 
Latania (Bourbon Palm).—Ord. Palmacew. Stove Palms. Orn. 
foliage. Leaves, fan-shaped, bright green. 
CULTURE: Compost, two parts loam, one part peat & a little char- 
coal & sand. Position, well-drained pots in shady part of stove. Pot, 
Feb. or March. Water freely, March to Sept.; moderately afterwards. 
Syringe once daily in winter; twice other times. Temp., March to 
Sept, 65° to 75°; Sept. to March, 55° to 65°. Propagate by seeds sown 
 Geee in rich light soil in temp. of 80° to 90°, Feb., March, or 
April. 
SPECIES CULTIVATED: L.Commereconii,7 ft., Mauritius and Bourbon; Verschaf- 
feltii (Syn. L. aurea), 7 ft., Mauritius. 
Lathyrus (Everlasting Pea; Sweet Pea). — Ord. Leguminosa. 
Hardy annuals & herbaceous perennial climbers. Sweet Pea intro- 
duced 1700. 
CULTURE OF SWEET PEA: Soil, rich ordinary, well manured. 
Position, groups in sunny borders, shoots aeietal by tree branches ; 
against sunny walls or fences; in sunny window boxes; in rows in open 
garden. Sow seeds three or four in a 3-in. pot in light soil in temp. 
55 to 65° in March., transplanting seedlings outdoors in May; or 2ir. 
deep, and 3 to Gin, apart in March or April, where plants are to grow. 
Water liberally in dry weather. Apply liquid manure once or twice 
weekly to Deen in flower, Remove seed pods as they form, to ensure 
plenty of flowers. Grow other annual species thus. 
POT CULTURE: Sow four seeds 1 in. deep in 3-in. pots in temp. 45° 
to 55° in March. Compost, two parts loam, one part leaf-mould & 
sand. Transfer four seedlings, when 2in. high, to a 5in. pot. Sup- 
port shoots with small tree branches. Water liberally. Apply liquid 
ag when flowers show. Grow in cool greenhouse or window when 
in flower. 
EXHIBITION OR SPECIAL CULTURE: Grow in circular groups 
2ft. wide and 3ft. apart, or in trenches 18in. wide and 2 ft. deep. 
Dig out soil to depth of 2ft. Fork into subsoil 2in. of rotten manure, 
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