ROSE TIME 



for this, or prefer to treat their old favourites as abso- June 

 lutely hardy plants, may sow out of doors in June, and ^~^5 

 transplant in autumn for flowering the following year. 

 One can buy single mixed and double mixed, or separate 

 colours of double, such as scarlet, crimson, carmine, 

 rose, pink, violet, yellow, and white. The fringed, or 

 Alleghany, Hollyhocks are an interesting and beautiful 

 type. There can be no doubt that seedling Hollyhocks, 

 grown under natural conditions in the garden from 

 seeds, are less liable to be attacked by the fungus which 

 has caused so much injury in the past than plants from 

 cuttings. 



A pretty pale blue North American Alpine of very 

 low growth, and suitable for moist, peaty ledges in the 

 rock garden, is Houstonia caerulea. It is a dainty little 

 floral gem, and comes readily from seed. 



The Perennial Candytufts (Iberis) are pretty, free- 

 flowering plants, suitable for covering large stones in 

 the rock garden, and for patches in the border. Sem- 

 pervirens, the white evergreen Candytuft, comes freely 

 from seeds. 



The Incarvilleas can also be grown from seed. Dela- 

 vayi and Grandiflora have been mentioned in a previous 

 chapter. The large, trumpet-like flowers are most bril- 

 liant in colour, and the foliage is handsome. Variabilis, 

 rosy purple, is also a good species. 



Isatis Glauca is a fine and graceful plant, bearing light 

 sprays of yellow flowers. Little known at present, it is 

 likely to become a popular border perennial. 



Seed can be got of a good many of the Torch Lilies 

 {Kniphofia or Tritoma), which give so fine an effect in 

 late summer and early autumn. They are unquestion- 

 ably splendid plants, with their graceful foliage and tall 

 stems surmounted by brilliant spikes of bloom. Uvaria 

 243 



