FLOWER-GARDENING. 103 



lections, flowers of various hues may be gathered from October 

 to May. Those who grow Camellias must supply them mode- 

 rately with tepid water when in flower, and for those out of 

 flower, the warmest position must be given to induce them to 

 make an early growth. Sponge the leaves weekly, to keep 

 them clean, and to prevent the accumulation of dust upon 

 them. 



Cheiranthus. Under this title have been generally embraced 

 all those fragrant and beautiful half-hardy species of Biennial 

 Plants known as Wall and Gilly Flowers ; the latter species is 

 now, however, denominated Matthiola in our catalogues. The 

 beautiful blossoms and delicious fragrance of these families, 

 from February to June, entitle them to more than a passing 

 notice. Their perfumes are exquisite. 



Cineraria cruenta. Canary Aster. A dwarf half-shrubby 

 plant, producing purple flowers in April and May. 



Cineraria maritima. Silvery-leaved Ragwort, or Powdered 

 Beau. A white plant, producing bright yellow globular flow- 

 ers from April to June or July. 



Cistus. Rock Rose. A half-hardy dwarf shrub, of which 

 there are upwards of twenty species, natives of Europe ; the 

 flowers, which are *white and purple, multiply abundantly in 

 May and June. 



Citrus. Orange, Lemon, etc. This genus embraces the 

 Orange, Lemon, Lime, Shaddock, etc., of each of which there 

 are several varieties. They are indispensable in a good green- 

 house, for their handsome evergreen foliage, and odoriferous 

 blossoms, and beautiful golden fruit, which by careful cultiva- 

 tion may be kept constantly on the plants. Those varieties 

 with variegated, yellow, and green foliage, are very generally 

 admired. 



Clethra arborea variegata. A fine sweet-scented shrub, pro- 

 ducing spikes of white downy blossoms ; the leaves are oblong 

 and serrated, having a gold-colored edge. 



Correa. A genus of dwarf shrubby plants, consisting of 

 several species, producing their orange, white, red, and green 



