FL ORIS TS ' PVRETHR UMS. 



97 



much, resemble in appearance, and are prized as cut flowers. The single varieties, 

 although less imposing, are more elegant when arranged in vases, and both are invalu- 

 able garden plants for massing in flower beds or planting in mixed borders, the neat 

 foliage adding much to their beauty. 



The pretty single-flowered Pyrethrum roseum from the Caucasus is the parent of the 



Fig. 50. Double and Single Pyeetheums. 



florists' pyrethrum. In the first quarter of this century the late Mr. John Salter, of 

 Hammersmith, received a fine rose-coloured variety from M. Themisterri, of Belgium. 

 From this several double forms were raised by Mr. Salter, and since that time various 

 Continental and other raisers have improved the flowers. The finest varieties of recent 

 years have been raised by Messrs. Kelway and Son, of Langport ; a number of their new 



VOL. II. o 



