178 ROGK GARDENING FOR AMATEURS 



more attention in the way of careful planting, and must 

 have a gritty, well-drained soil, containing a good pro- 

 portion of lime rubble for most kinds. The best position 

 for planting these in is either a western or eastern aspect, 

 where they get the sun for only a portion of the day, 

 and do not suffer from drought. The species in this 

 section are numerous, whilst the hybrids which have 

 been raised during the last few years are still greater 



Saxifraga Burseriana, that blooms in earliest spring. 



in number. They may be divided into three sections 

 according to colour: 



With White Flowers. The best-known sort with 

 white flowers is S. Burseriana, from Eastern Europe. 

 It is one of the loveliest of alpines. It forms rosettes 

 of sharp-pointed glaucous leaves, while the large pure 

 white flowers are borne singly on slender ruby-red stems. 

 There are many varieties of this with larger flowers, 

 including S. B. Gloria, and S. B. major. Another neat 



