. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 274 CENTAUEEA CENTAUKEA high, woolly-white when young : Ivs. linear, entire, or the lower toothed, sometimes pinnatifld : fls. blue, pur- ple or white, the heads on long, naked stems : involu- cral bracts rather narrow, fringed with short, scarious teeth. Gt. 38, p. 641; 39, p. of the most popu
. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 274 CENTAUEEA CENTAUKEA high, woolly-white when young : Ivs. linear, entire, or the lower toothed, sometimes pinnatifld : fls. blue, pur- ple or white, the heads on long, naked stems : involu- cral bracts rather narrow, fringed with short, scarious teeth. Gt. 38, p. 641; 39, p. of the most popular of garden fls., running into many Tuarieties. It is perfectly hardy, blooming until frost and coming up in the spring from self-sown seed. The following are. 406. Centaurea Cyanus (X ^i). varieties of this: Pure White; Victoria, a dwarf, for pots and edgings ; Emperor William, fine dark blue ; tlore pleno, with the outer disc fls. converted into ray fls.; nana compacta, dwarf. AAA. Sweet SvitiANS.—Straight-growing, smooth an- nuals or perennials, with dentate Ivs., grown for the large fragrant heads. 5. mosch&ta. Linn. {C. suaviolens, Linn. C. odordta, Hort. G. Amberbdi, Mill. Amberbda moschdtaihesa.). Sweet Sultan. Fig. 407. Annual: sts. 2 ft. high, branching below, erect: whole plant smooth, bright green : Ivs. pinnatifld, the lobes dentate : long- petioled ; invol. round or ovate, smooth ; only the in- nermost of the invol. scales with scarious margins ; fls. white, yellow or purple, fragrant. Orient. Mn. 4:149. Gn. 54:1195. LH. 42, p. 106. Gng. 4:147. Var. Sllha, Hort. {O. Margaritce, Hort.). Fls. white. Gn. 19,p,337; 54:1195. 13:607. This form, known as O. Margaritce, is pure white and very fragrant. It was int. by an Italian firm in 1891. Var. rtbra, Hort. Fls. red. Gn. 54:1195.—A popular, old-time garden flower, with long-stalked heads; of easy culture. It does not bear transplanting well. C. imperi&lis, Hort., is the offspring of O. moscha
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