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PBAGTIGAL GUIDE TO GARDEN PLANTS helianthbmum 



dark purple, tinged with blue, spotted 

 with yeUow at the base of each crenulate 

 petal. Sepals downy. 

 CuUii/re dc. as above. 



HELIANTHEMUM (Sun Eosb).— 

 A genus of about 30 distinct species of 

 annual or perennial herbs or shrubs, often 

 prostrate, with opposite and alternate 

 leaves. Flowers usually smaller than 

 those of the Eock Eoses, in secund 

 racemes, sometimes corymbose, some- 

 times paniculate. Petals broad, 5 (in per- 

 fect flowers) ; stamens numerous, rarely 

 few. Stigma capitate, or crestedly 3- 

 lobed. 



Culture cmd Propagation. — ^The Sun 

 Eoses grow freely in sandy loam, and are 

 splendid plants for the rook garden, where 

 they form compact masses of lovely 

 flowers and foliage. The annual kinds 

 are raised from seeds in the usual way 

 in gentle heat about March, the seedlings 

 being pricked off into Ught rich soU, and 

 grown on until fit for the outdoor garden 

 at the end of May. The perennials may 

 also be increased in this way, but they 

 are more easily obtained from cuttings, 

 which root readily in sandy soil in a 

 shady place during the summer months 

 tinder a handlight. 



H. atriplicifolium. — A wooUy shrub 4 ft. 

 high, native of Spain. Leaves stalked, 

 broadly ovate, bluntish, waved at the 

 base, woolly on both sides. Flowers in 

 Jime, large, yeUow, on hairy stalks. 



Culture dc. as above. Increased by 

 seeds or cuttings. 



H. canadense. — An erect, herbaceous, 

 downy, Canadian species, 1 ft. high. 

 Leaves oblong linear, margins usually 

 revolute, wooUy beneath. Flowers in 

 summer, minute, crowded ; stalks very 

 short, 1-3 -flowered. 



Culture dc. as above. 



H. carolinianum. — A native of the S. 

 United States, 6-12 in. high, shrubby at 

 the base. Leaves shortly stalked, lanee- 

 shaped, toothed, hairy. Flowers in 

 May and June, yeUow, 1 in. across. 



Culture dc. as above. 



H. formosura. — A hoary-branched 

 Portuguese shrub, 4 ft. high. Leaves 

 shortly stalked, obovate lance-shaped, 

 covered with hairy wool, the younger 

 ones hoary. Flowers in summer, large, 

 yellow, spotted with black at the base ; 



stalks hairy. This has been also called a 

 Cistus. 



Culture dc. as above. 



H. Fumanum. — An elegant Heath-Hke 

 undershrub, native of S.W. Europe, 

 with linear fleshy and shghtly hairy 

 leaves, and bright yellow flowers in June. 



Culture dc. as above. 



H. globularisefolium. — An herbaceous 

 species, about 9 in. high, native of Spain 

 and Portugal. Lower leaves long-stalied, 

 ovate-oblong, hairy, furrowed above ; the 

 upper ones staUdess, lanceolate. Flowers 

 in summer, citron-yellow, black-spotted 

 at the base of the petals and borne in dense 

 racemes. 



Culture dc. as above. 



H. guttatum. — A native annual of 

 stony places in Britain, Europe, North 

 Africa, and W. Asia. Stem 6-12 in. high, 

 with branches 2 or 3 tunes forked. Leaves 

 1-2 in. long, Hnear or obovate, or oblong 

 lance-shaped, lower ones opposite with- 

 out stipules, the upper ones alternate with 

 stipules. Flowers from June to August, 

 J in. across, yeUow with a red spot at the 

 base of each wedge-shaped petal. 



Culture dc. as above. Licreased by 

 seeds sown annually. 



H. halimifoliuih. — A shrub 3-4 ft. high, 

 native of Spain. Leaves downy, ovate 

 lance-shaped, acute, wavy. Flowers in 

 summer, large, bright yellow, slightly 

 spotted at the base. 



Culture dc. as above. Increased by 

 seeds or cuttings. 



H. italicum. — A European species only 

 3 in. high, with long, procumbent, hairy 

 branches. Lower leaves stalked, ovate; 

 upper ones almost staJkless, linear oblong. 

 Flowers in summer, small, yellow ; 

 racemes simple, hairy. 



Culture dc. as above. 



H. laevipes. — A pretty shrub of S.W. 

 Europe, 1 ft. high, with hnear, needle- 

 shaped leaves, and yellow flowers in 

 summer. This species requires protection 

 in severe winters. 



Culture dc. as above. 



H. lavandulsefolium. — A hoary 

 branched undershrub 1 ft. high, from the 

 Mediterranean region. Leaves oblong- 

 linear, hoary, with revolute margins, 

 under surface woolly. Flowers in sum- 

 mer, yellow, in crowded racemes. 



Culture dc. as above. 



