352 



THE GAEDENER'S ASSISTANT. 



green and rather deeply divided, and the small creamy- 

 white flowers, arranged in terminal panicles, of very 

 graceful appearance. Planted in a bold mass in a bed on 

 the lawn or in the border, they are most effective. They 

 can be increased by seeds or division. 



B. cordata (fig. 424). Creamy-white, 6 to 8 feet. China and 

 Japan. 

 B. microcarpa. Creamy-white, 8 to 10 feet. China and Japan. 



Boltonia. — Aster-like plants, flowering in August and 

 September, and suitable for borders and shrubberies. 



B. asterioides. Flesh-coloured, 5 feet. * North America. 

 ,, var. decurrem. Pink, 5 feet. 



Brevoortia. — A monotypic genus of Liliacese, and 

 native of California. B. Ida-Maia (Brodiaea coccinea) 

 is a very beautiful plant, with drooping umbels of deep- 

 red and bright-green tubular flowers. The bulbs should 

 be planted in autumn, and left undisturbed. Propagated 

 by seeds ; the seedlings resulting will flower in three or 

 four years. 



Brodiaea. — Mostly North American plants of the 

 order Liliacese, having usually beautiful and fragrant 

 flowers. They are of easy cultivation, bulbs planted in 

 autumn in well-drained soil requiring no protection, and 

 as a rule increasing rapidly. B. unijlora (Tritcleia or 

 Milla unijlora) is one of the best species, growing very 

 freely, and flowering profusely. It is an effective and 

 pretty plant for the wild garden, planted in the grass, 

 and is also used with good effect in pots for the cool 

 house. 



B. congesta. Deep-violet. North-west America. 



B. grandiflora. Bright violet-blue. North-west America. 



B. laxa. Purplish-blue, 1 to 2 feet. California. 



B. unijlora. White, faint violet lines, 1 foot. Buenos Ayres. 



Buphthalmum. — Composites, very free - flowering, 

 and useful for beds or borders, the leaves being large 

 and hairy, and thickly clothing the stems so as t<» form 

 douse masses of striking appearance, especially when 

 surmounted by elegant heads of large showy yellow 

 flowers with dark centres. Increased by division or 

 seeds. 



B. ttalictfolium. Golden-yellow, 3 feet. South Europe. 



B. speciosum. Orange, 3 feet. Europe. 



Calamintha. — Sage-like plants, suitable for the 

 rockery, growing well in sandy soils. The flowers are 

 rose-coloured, and they and the foliage are both fragrant. 

 They Mower in summer. 



C. alpina Bosy-p.irple, 4 inches. Europe. 



C. glabella. Lilac-purple, 3 inches. North America. 

 C. grandiflora. Rosy-pink, 1 foot. Europe. 



Calandrinia. — A large genus of Purslanes, of which 

 several are in cultivation. The best of them are those 

 named below. They grow well in light loam in a sunny 

 position, either in the rock garden or border, but they 

 require protection in winter in the colder parts of the 

 country. Propagated from seeds or division. 



C. discolor. Rose-red, 1 foot. Chili. 



C. oppositifolia. White, 1 foot. California. 



C. umbellata. Red-purple, 1 foot. Chili. 



Callirhoe (Poppy Mallow). — Trailing plants, belong- 

 ing to Malvaceae ; flowers freely produced, violet and 

 purple. Propagated by seeds. A warm position and a 

 rich, free soil suit them. 



C. alcceoides. Lilac-purple, 2 feet. North America. 



C. involitcrata. Violet-crimson, trailer. North America. 



C. lineariloba. Striped lilac. North America. 



Caltha (Marsh-Marigold).— Effective plants for the 

 bog and margins of streams. The flowers come in spring, 

 and seen in masses are particularly striking. 



C. leptosepala. White, 1 foot. California. 

 C. palustris. Yellow, 1 foot. Northern Hemisphere, 

 var. biflora. White. 



Calystegia. — Climbing plants, nearly related to Con- 

 volvulus. They are effective trained on stretched wire 

 or string against a wall, or to climb over twiggy stakes. 

 Propagation by underground runners, which increase very 

 rapidly, or by seeds. 



C. hederaeea, fl. pi. Pink. Climbing. China, &c. 

 C. sylvatica. White. Climbing. South Europe. &c. 

 ,, var. rosea. Pink. 



Camassia. — Plants of the Lily order, suitable for the 

 herbaceous border, rockery, or woodland. The flowers 

 are produced on tall, stout, handsome spikes, either white, 

 cream, or blue. They are useful plants for brightening 

 up odd shady corners, which are to be found in most 

 gardens, large or small. They flower in May and June. 

 Propagation may be effected by seeds and offsets. 



C. Cusickii. Pale-blue, 3 feet. 

 C. esculenta. Blue, 18 inches. 

 C. Fraseri. Pale-blue, 1 foot. 

 C. Leichtlinii. White, 2 feet. 



Oregon. 



North America. 

 North America. 

 British Columbia. 



Campanula. — An extensive genus of plants of varied 

 habit. Some of the taller kinds are excellent border 

 plants, while the smaller-growing and trailing species are 

 most suitable in the rock garden. They are all summer- 

 flowering, and as a rule produce seed freely. Propaga- 

 tion by means of seeds, divisions, or cuttings. Ordinary- 



Fig. 425.— Campanula turbinata. 



garden soil suits the majority of them, a few rare Alpine 

 species being exceptions. 



C. abietina. Purple, 4 inches. East Europe. 



C. ccespitosa. Blue, 3 inches. Europe. 



C. carpatica (fig. 425). Light blue, 1 foot. East Europe. 



,, vars. turbinata alba and pelviformis. 



C. fragilis. Blue, 4 inches. Italy. 



C. garganica and vars. Blue and white, 6 inches. Italy. 

 C. Hendersoni. Mauve, 1 to U foot. Garden origin. 

 C. isophylla and var. alba. Blue and white, trailer. Italy. 

 C. lactijlora. Light-blue, 3 to 4 feet. Caucasus. 

 C. latifolia and vars. Blue and white, 3 feet. Europe (Britain). 

 C. mirabilis (fig. 426). Light-blue, 1 foot. Caucasus. 

 C. persicifolia and vars. Blue or white, 2 feet. Europe (Britain). 

 C. portenschlagiana. Blue, 4 inches. Dalmatia. 

 C. pulla. Dark-purple, 4 inches. Europe. 

 C. pusilla and alba. Light-blue and white, 6 inches. Europe. 



