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Flowers mostly in terminal spikes or racemes, small, but often many or appearing for a considerable period of time: Lvs. mostly undivided: siliques long, linear, flat: stigma 2-lobed.—In temperate regions, about 100 species, several native to this country; some of them are alpine. Usually prop, by division; also by seeds and cuttings. Hardy, requiring plenty of sun, and thriving even in poor soil. The following four species are perennials:
Flowers mostly in terminal spikes or racemes, small, but often many or appearing for a considerable period of time: Lvs. mostly undivided: siliques long, linear, flat: stigma 2-lobed.—In temperate regions, about 100 species, several native to this country; some of them are alpine. Usually prop, by division; also by seeds and cuttings. Hardy, requiring plenty of sun, and thriving even in poor soil. The following four species are perennials:
A. arenosa, Scop. Fls. rose varying to white: Lvs. pinnatifid, those on the st. deep-toothed. Eu.—A. aubrictioides Boiss. Much like A. albida, but pale pink. Cilicia.— i blepharophylla. Hook. & Arn. Fls. large, rose-purple: lvs. sharp-toothed, sessile or clamping, the margins hairy. Calif. B.M 6087.—A. Ferdinandii-Coburgii, Kell. & Suenderm. Lvs. gray in rosettes, becoming green in winter: fls. small, yellowish. Macedonia.—A. lúcida. Linn. f. Fls. white: Iva. shining, obovate, clasping. There is a variegated form. Eu.—A. mollis, Stev. Fis. white: Lvs. pubescent, large-toothed, the lower ones rounded and long-stalked. Eu.—A. petraea. Lam. Fls. white: Lvs. toothed, the radical ones often parted, the st.-lvs. oblong- linear. Eu.—A. praecox, Waldst. & Kit.=A procurrens.—A. procurrens, Waldst. A Kit. Fls. while: Lvs. ciliate, those on the st. entire and sessile, the others stalked: .stoloniferous. A variegated var. Eu.—A. Stùrii, Hort. A compact but vigorous garden form with large clear white fls.—A. verna, R. Br. Annual, hairy: fls. large, purple: Lvs. oblong-ovate to round-oblong, the upper ones clasping, rather coarse-toothed. Eu. B.M. 3331.
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