136 FLOWER GARDEN PERENNIALS. [MARCH. 



mental plants for the Flower-garden and Shrubbery, 

 and they flower superbly during the summer, agreeing 

 better with our climate than with 'that of Europe. Se- 

 veral have two successions of flowers, C. persicifolia 

 alba plena; C. persicifolia ccerulea pleno ; C. urticifolia, 

 white. Of this last there is also a double variety. C. 

 speciosa; C. glomerata; C. versicolor; with several others, 

 are worthy of a situation in every garden. Their roots 

 are strong, fleshy T and fibrous. They are easy of cul- 

 ture, and will retain their situation in the severest of 

 our winters. C. grandifldra is now Wahlenbergia grandi- 

 fidra. It has fine blue large flowers ; the flower stems 

 are slender, and should be supported as soon as they 

 grow. 



Cheirdnthus Cheiri vulgdris is the common garden 

 Wall-flower. There are about ten, varieties of it, all 

 admired for their various colours and agreeable odour. 

 The common variety survives the mildest of our wn> 

 ters. The most esteemed variety is Hcemdnthus, Dou- 

 ble bloody. They should all be protected by a frame. 

 C. mutdbilis is a beautiful species ; it has many shades 

 of colour from lilac to dark purple. The flowers are 

 on extending racemose spikes ; blooming from April to 

 June ; it requires a light rich soil ; is a half shrubby 

 evergreen plant. 



Cheldnes. This genus belongs entirely to this conti-' 

 nent, and possesses many fine species. It is a matter 

 of astonishment that they are not more cultivated and 

 sought for in our collections. C. gldbra; C. obliqua; 

 C. barbdta ; C. atropurpurea ; C. ptdchella ; C. venusta ; 



