ENCYCLOP.EDIA OF GARDENING. 
culacee. Hardy herbaceous perennials. Leaves, finely divided, green ; 
excellent substitute for maiden-hair fern. 
CULTURE: Soil, ordinary. Position, sunny borders for tall species, 
T. aquilegifolium, etc.; sunny rockeries for dwarf species, T. ane- 
monoides & T. minus. Plant, Oct. to March. Top-dress annually in 
Feb. or March with decayed manure. Lift, divide, & replant only 
when absolutely necessary. Propagate by division of roots in March or 
April. 
RPECIRS CULTIVATED: T. anemonoides (Rue Anemone), yellow, spring, 2 to 
3 ft., N. America; angustifolium, yellow, summer, 3 ft., Europe; aquilegifolium, 
purple, summer, 3 ft., Europe; minus, yellow, summer, 1 ft., Europe; minus 
adiantifolia, Maiden-hair-like foliage. 
Theobroma (Cocoa Tree; Chocolate Tree).—Ord. Sterculiacee. 
Stove evergreen trees. First introduced 1739. Fruit, oval, yellow, or 
reddish. 
CULTURE: Compost, equal parts fibrous loam & sand. Position, 
well-drained pots in moist warm stove. Pot, Feb. Water treely, 
March to Oct.; moderately afterwards. Syringe daily, April to Sept. 
Shade from sun. Prune into shape, Feb. Temp., Oct. to March 55° 
to 65°; March to Oct. 70° to 85°. Propagate by cuttings of half- 
ripened shoots inserted in sand under bell-glass in temp. of 75° to 
85°, April to August. 
Patera CULTIVATED: T. cacao, rose and yellow, summer, 15 to 20 ft., Trop. 
merica. 
Thermopsis.— Ord. Leguminose. Hardy herbaceous perennials. 
First introduced 1799. 
CULTURE: Soil, ordinary. Position, open sunny borders. Plant, 
March or April. Propagate by seeds sown din. deep in light rich 
soil in sunny position outdoors in April, transplanting seedlings when 
large enough to handle. 
SPECIES CULTIVATED: T. caroliniana, golden yellow, summer, 4 to 5 ft., 
N. America; montana, golden yellow, summer, 1 to 2 ft., N. America. 
' Thimble Cactus (Mammillaria dasycarpa). — See Mammil- 
aria. 
Thistle Oil-plant (Argemone mexicana).—See Argemone. 
Thiadiantha.—Ord. Cucurbitacee. Half-hardy annual climber. 
First introduced 1864. Fruit, green, oblong, netted, & ribbed. 
CULTURE: Soil, ordinary. Position, well-drained border against 
sunny wall. Sow seeds in light soil in temp. 55° to 65°, March or 
April, transplanting seedlings singly mto small pots when three leaves 
oo harden in cold frame or greenhouse, & plant outdoors, May 
or June. 
SPECIES CULTIVATED: T. dubia, golden yellow, summer, 5 to 10 ft., China. 
Thong Lily (Clivia miniatum).—See Clivia. 
Thorn Apple (Datura Stramonium).—See Datura. 
Thrift (Armeria vulgaris).—See Armeria. 
Thrinax (Silver Thatch Palm).—Ord. Palmacee. Stove orn. 
foliage plant. First introduced 1778. Leaves, fan-shaped, green. 
CULTURE: Compost, two parts loam, one part peat, & little sand. 
Position, well-drained pots in moist part of stove. Water copiously, 
April to Oct.; moderately afterwards. Syringe daily, April to Sept. 
Moist atmosphere highly essential. Shade from sun. Temp., March 
to Oct. 70° to 85°; Oct. to March 55° to 65°. Propagate by seeds 
soaked for a few hours in tepid water & then sown Jin. deep in sandy 
loam in temp. of 75° to 85° any time. 
SPECIES CULTIVATED: T. argentea (Broom or Silver Thatch Palm), 10 to 
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