CASSELL'S POPTJLAR GARDENING. 



centre ; F. se. otinum, the Late-flowering Pyrethi'una, caria inodorum fiore-pleno is sometimes clacsed with 

 a showy tall j)erennial, growing four to six feet in the PjTethrums. It is a ■s'igorous-growing hardy 

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



Ptrethrums, Single and Double, Natural Size. 



a native of North America ; P. TchiJiatcJieicii, the 

 Tui-fing Daisy, a dwarf, hardy evergreen species, 

 EorminsJT a dense turf, useful for carpeting slopes and 

 dry soil and rockwork, where little else will grow ; a 

 native of Asia Minor ; P. uliginosiim is mentioned 

 above as P. lacustre. What is best known as Mairi- 



compact, 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. roseum 

 and its many single and double varieties. They are 

 among the most useful of summer flowers. P. roseum 



