294 



THE BOOK OF GARDENING. 



foliage, and bears 

 marks inside ; it 

 between March and 

 and produces long 



grows 



Fig 



erect bell-shaped flowers with yellow 

 from 3in. to 6in. high, and flowers 

 June. G, asdepiadea grows i8in. high, 

 terminal clusters of purplish-blue flowers 

 during July and August. It succeeds in a 

 moist, shady situation of either the rockery 

 or the open border. A white variety of 

 this is also cultivated. G. ve7'na is a gem, 

 and in districts where it does well, forms 

 dense tufts of glistening green foliage, 

 covered with flowers of a brilliant blue 

 colour. It grows only 3in. high, and 

 flowers in April and ]May. 



Geum montanum (Fig. 173) is an 

 excellent rock plant, growing from 6in. 

 to i5in. high, and producing an abun- 

 dance of golden yellow flowers from 

 June to August. 



Gnaphalium leontopodium. — See 

 Leo7itopodiiivi alpiniim. 



Gypsophila cerastoides is a dwarf, 

 though handsome, rock plant, growing 

 3in. to 6in. high, and flowering during May and June : the 

 white, veined with pink. Propagated by seeds. 



-Geum 



montanum. 



from 

 flowers 

 cuttings, or division. 



are 



Iberis. — See 

 dins; Plants." 



Spring-Bed- 



Leontopodium alpinum 

 ( GnaphaliiDn Leontopodium ), 

 the Edelweiss, is a remark- 

 able alpine, growing 6in. high, 

 and producing terminal heads 

 of flowers enveloped in white, 

 woolly bracts (Fig. 174) in 

 June and Jul}^ It should be 

 planted in sandy, stony soil, 

 in exposed positions. Pro- 

 pagation is eff'ected by seeds 

 or by careful division of the 

 old plants. 



LiNARIA alpina is a 

 charming little rock plant of 



neat, trailing habit, growing from 3in. to 6in. high, and flowering 

 from June to September. The flowers are of a purple colour, 

 with orange centres. 



Fig. 174. 



-Leontopodium alpinu-M. 



