. 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 CENTAUREA high, woolly-white when young: Ivs. linear, entire, or the lower toothed, sometimes pinnatifid : 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; .'SO, p. of the most popular of ga
. 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 CENTAUREA high, woolly-white when young: Ivs. linear, entire, or the lower toothed, sometimes pinnatifid : 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; .'SO, p. of the most popular of garden fls., running into many -warieties. It is perfectly hardy, blooming until frost and coming up in the spring from self-sown seed. The following are. 406. Centaurea Cyanus (X K). varieties of this: Pure White; Victoria, a dwarf, for pots and edgings ; Emperor WiUiam, fine dark blue ; flore pleno, with the outer disc fls. converted into ray fls.; nana compacta, dwarf. AAA. Sweet Sci^tass. âStraight-growing, smooth an- nuals or perennials, with dentate Ivs., grown for the large fragrant heads. 5. mOBCh&ta. Linn. (C. suaveolens, Linn. C. odor&ta, Hort. C. Amberbdi, Mill. Amberbda moschAta, Less.). Sweet Sultan. Fig. 407. branching below, erect : w green : Irs. pinnatifid, tin-1' petioled ; invol. round it " nermost of the invol. sculr^ white, yellow or purple, fla; Gn. 54:1195. 42, p. IOC. Annual : sts. 2 ft. high, lolc plant smooth, bright I. - (1. iiiiiii' : iiir, ^,ih ; only the in- \ ii li .^ margins : fls. rant. Oiieut. :149. ting. 4:147. Var. Alba, Hort. (C. Margarltce, Hort.). Fls. white. Gn. 19,p. 337; 54:1195. 13:607. This form, known CENTAUREA as C. Margaritm, is pure white and very fragrant. It was int. by an Italian firm in lb91. Var. rtbra, Hort. Fls. red. Gn. 54:1195.âA popular, old-time garden flower, with long-stalked heads j of easy culture. It does not bear transplanting well. C. imperiAlis, Hort., is the
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