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Perennials with fibrous or tuberous rootstock: lvs. stipulate, interruptedly odd-pinnate, the terminal lft. often much larger and palmately lobed: fls. in cymose corymbs; calyx-lobes and petals usually 5; stamens 20-40, with the filaments narrowed toward the base; carpels distinct, 5-15, 1-seeded, indehiscent.—Nine species in N. Asia and Himalayas, N. Amer. and Eu. Filipendula has usually been united with Spiraea, but is very distinct in its herbaceous habit, pinnate stipulate lvs. and indehiscent 1-seeded achenes. The meadow-sweets are hardy plants with rather large pinnate or palmately lobed leaves and white, pink or purple flowers in showy terminal corymbs, borne on erect leafy stems rising 1 to 10 feet from a rosette of radical leaves. They bloom in early summer or midsummer and are very handsome border plants. Most of them delight in a rather moist and rich soil and are especially decorative if planted on the borders of ponds and brooklets, but F. hexapetala prefers drier situations and likes full sun, while most of the others also thrive well in partly shaded positions. F. purpurea should be mulched during the winter in the North. Propagated by seeds sown in fall in pans or boxes and kept in the cool greenhouse, or sown in spring; also by division of older plants.
 
Perennials with fibrous or tuberous rootstock: lvs. stipulate, interruptedly odd-pinnate, the terminal lft. often much larger and palmately lobed: fls. in cymose corymbs; calyx-lobes and petals usually 5; stamens 20-40, with the filaments narrowed toward the base; carpels distinct, 5-15, 1-seeded, indehiscent.—Nine species in N. Asia and Himalayas, N. Amer. and Eu. Filipendula has usually been united with Spiraea, but is very distinct in its herbaceous habit, pinnate stipulate lvs. and indehiscent 1-seeded achenes. The meadow-sweets are hardy plants with rather large pinnate or palmately lobed leaves and white, pink or purple flowers in showy terminal corymbs, borne on erect leafy stems rising 1 to 10 feet from a rosette of radical leaves. They bloom in early summer or midsummer and are very handsome border plants. Most of them delight in a rather moist and rich soil and are especially decorative if planted on the borders of ponds and brooklets, but F. hexapetala prefers drier situations and likes full sun, while most of the others also thrive well in partly shaded positions. F. purpurea should be mulched during the winter in the North. Propagated by seeds sown in fall in pans or boxes and kept in the cool greenhouse, or sown in spring; also by division of older plants.
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F. angustifolia, Maxim. (Spiraea angustifolia, Turez. Ulmaria angustifolia, Rehd.). Similar to F. lobata: fls. white: lvs. glabrous or whitish tomentose beneath. Daburia, Manchuria.— F. vestita. Maxim. Ulmaria vestita, Rehd. Spiraea vestita, Wall.). Similar to F. camtschatica, but only 1 ft. high and lvs. grayish tomentose beneath: fls. white. Himalayas. B.R. 27:4 (as S. kamschatica var. himalensis).
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Alfred Rehder.
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Finger-Grass. Species of Chloris and Panicum.
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Fiorin: Agrostis stolonifera and A. alba.
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Fir. Strictly, species of the genus Abies, but popularly it includes many trees known to nurserymen and others as Picea, and by some it is applied to Pinus, Larix, and others.
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Fire-Cracker, Floral: Brevoortia.
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Fire on the mountain: Euphorbia heterophylla.
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Fire-pink: Silene virginica.
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Fire-plant: Euphorbia heterophylla.
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Fire-weed: Epilobium angustifolium and Erechtites hieracifolia.
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Fish-grass: Cabomba.
 
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