ALPINE FLOWER, ROCK, AND WALL GARDENS. 



93 



have the merest dusting of soil with the roots, so as not to separate 

 the stones, but let each one rest firmly on the one beneath it. 



Almost the whole of the beautiful rock and alpine flowers may 

 be trusted to do well in this way, such things as Arabis, Aubrietia, 

 and Iberis being among the easiest to grow ; but as these can be 

 grown without walls it is hardly worth while to put them there, 

 pretty as some of the newer forms of the Aubrietia are. Between 

 these stones is the very place for mountain Pinks, which thrive 



Androsace. Chaddlewood, Plympton. 



better there than on level ground ; the dwarf alpine Hairbells, while 

 the alpine Wallflowers and creeping rock plants, like the Toad Flax 

 (Linaria), and the Spanish Erinus, are quite at home there. The 

 Gentianella does very well on the cool sides of such walls, and 

 we get a different result according to the aspect. All our little pretty 

 wall ferns, now becoming so rare where hawkers abound, do perfectly 

 on such rough walls, and the alpine Phloxes may be used, though 

 they are not so much in need of the comfort of a wall as the European 

 alpine plants, the Rocky Mountain dwarf Phloxes being very hardy 

 and enduring in our gardens on level ground. The advantage of the 



