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POPULAR GARDEN BOTANY. 



brilliant, even by candle-light or in the foggy atmosphere of 

 London, so that they are a very desirable plant for ornament- 

 ing rooms. They flourish very well in the confined air of 

 houses, if attention be paid to watering, but if neglected 

 the bloom droops, and curls up ; the earth should never be 

 allowed to be dry, but it must not be saturated. C. discolor, 

 populifolia, lanata, etc., are handsome species, but so many 

 varieties have been produced from the originals, that these 

 seem to be almost lost amongst the host of brighter and 

 newer beauties. Cultivators give these varieties very fanci- 

 ful names, which it is scarcely worth while to enumerate, as 

 lists are so easily obtained from the principal gardeners ; the 

 following is a description of some of the most striking : — 

 \*hite and lavender; blush-white with purple disc; clear 

 white, edged with crimson ; white and bright carmine, with 

 carmine centre; violet-purple with yellow disc; clear deep 

 blue ; brilliant crimson ; white and bright rose, with a light 

 centre ; very dark blue, with white centre, and so on, for 

 the varieties are endless, and all very beautiful ; the flowers 

 grow in flat corymbs, and show to great advantage. Gi 

 maritima, or, as it is sometimes called, Senecio cinerarms, 

 is beautiful from its almost white stems and leaves, which 

 are densely clothed with soft white hairs ; the flowers are 



