IO8 GARDEN FLOWERS. 



set in the border in May ; or sown in the border in May. 

 The plants should not be allowed to become crowded. The 

 double varieties are very pretty. 



C. elegans (elegant) ; hardy annual ; 2 feet ; flowers rose, in 

 June; California; 1822. Of this there is a double-flowered va- 

 riety. C. pulcJiella (pretty) ; hardy annual; 1 8 inches ; flowers 

 rose or white, in June ; North America ; 1826. This latter spe- 

 cies has produced the fine varieties integrtpetala, petals entire 

 on the margin, rosy-purple, (a double variety has rich crimson 

 flowers, and a sub-variety has the petals edged with white) ; pul- 

 cJierrijiia, petals three-lobed, bright crimson ; striata, petals 

 three-lobed, white, flaked with rose ; marginata, petals three- 

 lobed, rosy-purple, tipped with white ; florepleno, very double, 

 with large rosy-purple or crimson flowers. 



CLAYTONIA. [Portulacaceae.] Hardy annuals and tuber- 

 ous-rooted perennials, not very showy. Common soil. In- 

 creased by seeds, or by division. 



C. Caroliniana (Carolina) ; hardy perennial ; i foot ; flowers 

 pink, in May; North America; 1789. C. grandiflora (large- 

 flowered) ; hardy perennial ; i foot ; flowers pink, in May ; 

 North America ; 1789. C. perfoliata (perfoliate-leaved) ; hardy 

 annual ; 9 inches ; flowers white, in June ; North America ; 

 1794. C. Siberica (Siberian) ; hardy annual ; I foot ; flowers 

 red, in June ; Siberia; 1768. C. Virginiana (Virginian) ; hardy 

 perennial; i foot; flowers white, in May; North America; 

 1740. 



There are ten other species. 



CLEMATIS. Virgins-bower. [Ranunculaceae.] A large 

 genus of climbing shrubs, some of which are very orna- 

 mental. The hardy kinds are of the simplest culture. 

 They are raised from seeds or layers, and grow freely in 

 any moderately good ground. They are valuable for cover- 

 ing walls, arbors, and trellis-work. The half-hardy kinds 

 are useful for the pillars and rafters of greenhouses and 



