102 SELECTION OF PLANTS. 



It is a native of Britain, and belongs to the 13th Class, 

 under the head " Polyandria Monogynia.'' 



307. PRIMULO ACAULIS, FLORE PLENO CARNEO, or 



; ; . . Double Lilac Primrose. 



This is a hardy Perennial, as all the rest of this genus 

 are ; it affects a good, loamy soil, and somewhat shady as- 

 pect ; every other year it should be divided, and some of 

 the best plants put into pots, that they may be moved to 

 any part of the garden. It blows in March or April ; 

 there is also the double red and the double yellow. 



It is a native of Siberia, and first brought to England 

 in 1790. 



It belongs to the 5th Class, under the head " Pentan- 

 dria Monogynia." 



308. PLUMBAGO ROSEA, or Rose-coloured Leadwort. 

 This is properly a stove-plant, which often rises from 



four to five feet high, and will sometimes blow all the sum- 

 mer. It is usually increased from cuttings, and affects a 

 good, loamy soil. 



It is a native of the East Indies, and first brought to 

 England in 1777. 



It belongs to the 5th Class, under the head " Pentan- 

 dria Monogynia." 



309. ONONIS FRUTICOSA, or Shrubby Rest-harrow. 



This is a small and hardy shrub, increased by seed or 

 layers ; it affects a dry and sandy soil, and blows in July. 



It is a native of the South of Europe, and first brought 

 to England in 1748. 



It belongs to the 1 7th Class, under the head " Dia- 

 delphia Decandria.'' 



