38 ROCK AND WATER GARDENS 



Anthemis. Rock Camomile. A. Aizoon forms pretty 

 tufts, -with daisy-like flowers. 



Anthericum. St Bruno's Lily. The lily of the Alpine 

 pastures. A deep, sandy soil suits it, and the roots 

 may be divided in autumn. A carpeting of Saxifrages 

 or other dwarf plants look charming as a groundwork 

 for a clump of St Bruno's Lily. A. Liliastrum. 



Arahis. Rock Cress. Well known and invaluable. 

 A. albida (White Rock Cress) and rosea a deep pink 

 form, should be grown. Succeeds in any soil. 



Arenaria. Sandwort. Beautiful plants, with compact 

 masses of foliage, and myriad blossoms. A. balearica 

 (Creeping Sandwort) and the Mountain kind (A.montana), 

 should be in every rock garden. Seed or division. 



Armeria. Thrift. Dense tufts of grass-like foliage, 

 with rosy flowers. A. cephalotes (Great Thrift), and 

 A. caespitosa (Tufted Thrift) are suitable for association 

 with tall and dwarf plants respectively. Poor sandy soil. 

 Seed. 



Aubrietia. Purple Rock Cress. Though common rock 

 plants, they are of the utmost value. A. deltoidea and 

 A. groeca are among the best. Any poor gritty soil 

 will grow Aubrietias, and they are readily increased, 

 either by seeding or division. 



Bulbocodium. Spring Meadow Saffron. Among the 

 spring flowers in the rock garden, the deep, rosy flowers 

 of B. vernum are very beautiful. Warm, sandy soil. 

 Division of the bulbs. 



Campanula. Harebell. One of the most beautiful 

 families for the rock garden, The Carpathian Harebell 

 (C. carpatica) bears light-blue flowers at midsummer : 

 C. caespitosa (Tufted Harebell) is excellent for rock 

 steps and the edges of stone flags : the American Hare- 

 bell (C. pulla), a lovely kind, does best in slight peat 

 and sand. Other good varieties are cenisia and garganica, 

 the latter suited to rock ledges, over which its pale-blue 



