2O GARDEN FLOWERS. 



in July; Spain; 1778. ^f. parviflorum (small-flowered); 6 

 inches ; flowers lilac, in July; Persia ; 1830. 



AFRICAN MARIGOLD. See TAGETES. 



AGATH^EA. [Composite.] Greenhouse sub-shrubby plants, 

 useful for the summer decoration of the flower-garden. Good 

 garden soil, or loam and leaf-mould. Propagated freely by- 

 cuttings in August or February, the young plants being kept 

 in a frame or greenhouse, and planted out in May. 



A. ccelestis (heavenly); frame sub-shrub; 1 8 inches ; flowers 

 pale-blue, from May onwards ; Cape of Good Hope ; 1753. A. 

 linifolia (flax-leaved) ; frame sub-shrub; 18 inches ; flowers blue, 

 all summer ; Cape of Good Hope ; 1800. 



AGERATUM. [Composite.] Hardy or half-hardy annuals, 

 which may, however, be kept as perennials, by cuttings or in 

 pots, if not allowed to ripen seed. Light rich soil. Propa- 

 gated by seeds, which should be sown in April, in a frame, 

 and the plants pricked out in the open border in May, not 

 less than six inches apart. The best is A. Mexicanum. 



A. Mexicanu m*vel odoratum (Mexican or fragrant) ; half-hardy 

 annual; 18 inches; flowers blue, all summer; Mexico; 1822. 

 A. angnstifolium ; from Monte Video ; has white flowers, in 

 July. A. strictum ; from Nepaul ; has white flowers, in June. 

 A. cceruleum ; from the West Indies ; has sky-blue flowers, in 

 July. 



AGRIMONIA. [Rosaceas.] Hardy herbaceous perennials, 

 easily propagated by division of the root, and growing in 

 common garden soil. The genus is allied to Potentilla. 



A. Eupatoria (Eupatoria) ; hardy perennial; 3 feet; flowers 

 yellow, in June ; Great Britain. A. odorata (scented) ; hardy 

 perennial ; 3 feet ; flowers yellow, in July and August ; Italy ; 

 1640. A. suaveolens (sweet-smelling) ; hardy perennial ; 3 feet ; 

 flowers yellow, in July ; Virginia ; 1820. 



AGROSTEMMA. [Caryophyllaceae.] Hardy perennials, 



