ON WALL GARDENS 35 
of many kinds, Silenes, Sedums, Sempervivums and Saxi- 
frages, Antirrhinum glutinosum and Antirrhinum asarina, 
as well as varieties of Antirrhinum majus. Cheiranthus, 
the real ‘“ wallflower,” in its varied species, makes it- 
self as much at home on a wall as in a flower bed, and 
the Linarias, the Fragarias, and Saponaria ocymoides, will 
curtain the face of the stones with verdant foliage and 
gay blossoms. 
On the shady side of the wall we may make much of 
arenarias, mossy saxifragas, Lysimachia nummularia, Glaux 
maritima, Erinus alpinus, Codonopsis ovata, and Asperulas, 
as well as Aczenas, Cotula squalida, the Thymes, and many 
other shade-loving plants. | 
Androsace coronopifolia, Ionopsidium acaule, Sedum 
ceruleum, the charming little blue flowered Sedum, Saxi- 
fraga Sibthorpii, may all be established by scattering seeds 
in the chinks between the stones, where sufficient soil 
rests for the seedlings to obtain a foothold, and once 
established they may be left to take care of themselves 
and maintain existence by means of self-sown seeds. 
Many other plants, such for instance, as the wallflowers, 
Antirrhinums, the red Valerian, Verbascum phcenecium and 
Globularias, are best established in walls by sowing seeds, 
and during the process of building, the fleshy roots of 
Tropeolum polyphyllum, or of T. speciosum, may be 
snugly buried behind the stones, leaving their shoots to 
find their own exit and drape the rugged face of the wall 
with their lace-like growth and gorgeous blossoms. 
There are many kinds of hardy ferns that are admirably 
suited for wall culture, where moisture and shade are 
