i86 ROCK GARDENS 



Henceforth it may be understood for the 

 sake of brevity that in " rock plants," alpines 

 and all suitable varieties are included. 



Rock plants, looking at them with a view 

 to grouping in the garden, may be divided 

 into two classes: (i) those which, on 

 account of their freer growth and more 

 generous bloom, can be effectively used for 

 massing ; and (2) those which are grown 

 chiefly on account of their intrinsic beauty, 

 but which, owing to their slower and more 

 diminutive growth, will not, in this country 

 at least, give the same bold dashes of 

 colour. 



In the former class may be included such 

 families as the Aubrietias, Rock Roses, Arabis, 

 Cerastium, Campanulas, etc. — in fact, most of 

 the commoner plants grown in the rock garden. 

 In the latter class one has such lovely things 

 as Soldanella alpina^ the rarer Saxifrages, such 

 as /S*. diapensioides^ ccesia^ Bursertana^ Faldonside 

 etc., Campanula Zoyzii^ Rainera^ Edrianthus 

 serpyllifolius^ Phyteuma comosum^ and many 

 others too numerous to mention here, all and 

 each lovely in themselves, but whose beauty 



