EASILY GROWN ROCK PLANTS 71 
the cultivation of Acznas. They thrive in sandy soil 
or among stones in any aspect, but rather prefer shade to 
full exposure to sun. An old plant pulled to pieces will 
furnish plenty of trailing stems, some with roots, and all 
capable of producing roots if laid in the soil, pressed firm, 



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STONE-PAVING AND STEPS WITH SUITABLE PLANTS GROWING BETWEEN 
THE STONES. 
Acznas, Arenarias, Thymes, Cotula squalida, etc., are useful for the purpose. 
and covered with sandy compost. Acznas are useful for 
growing in the cracks and crevices of stone paving, loose 
stone walls, or for the corners of a rough flight of steps. 
Another very good purpose they will serve is to carpet a 
patch of ground in which Dodecatheons, Trilliums, Antheri- 
cums, or other bulbous or tuberous plants of more or less 
