344 



CASSELL'S POPULAR GARDENING. 



centre ; P. sentmum, the Late-flowering Pyrethrum, earia inodoni/in Jlore-pleno is sometimes classed with 

 a showy tall perennial, growing four to six feet in the Pyrethrums. It is a vigorous-growing hardy- 

 height, bearing large pure white flowers in autumn; herhaceous plant, producing in summer numberless 



PrRETHEnms, Sinole asd Dodble, Natckal Size. 



a native of North America; P. Tohihatchewii, the 

 Turfing Daisy, a dwarf, hardy evergreen species, 

 forming a dense turf, useful for carpeting slopes and 

 dry son and rookwork, where little else will grow ; a 

 native of Asia Minor ; P. ulir/inosum is mentioned 

 above as P. laeustn. "What is best known as Matri- 



compaot, double, pure white flowers, that are ex- 

 tremely useful for cutting from. It does well in any 

 ordinary garden soil. 



Too much cannot be said in praise of P. rosewn 

 and its many single and double varieties. They are 

 among the most useful of summer flowers. P. roseum 



