IV 
SUMMER 
IOI 
rosette, tall spike of white flowers ; crassifolia, 
unlike the others, with large leaves and pink 
flowers, which come out in late spring (see 
page 71). S. umbrosa (London pride). Useful 
for edging, will grow anywhere (and there are a 
very great many other varieties). 
Sedum kamtschaticum (orange stonecrop).— 
Orange flowers. S. rupestre (rock stonecrop). 
Yellow (and many other varieties). 
Sempervivum arachnoideum (cobweb house- 
leek). — The leaves are like little rosettes, 
covered with white down like a cobweb. 
Flowers pink (many other varieties). 
Symphiandra pendula. —White campanula¬ 
like flower. 
Thymus (thyme). — The variegated and 
lemon-scentecl varieties. 
Veronica Candida (silvery speedwell).—Pur¬ 
plish-blue spikes of flower. Silvery leaves. 
The two lists you have been given include 
only perennial hardy flowers. But there is 
another class, which look very bright and 
attractive all through the summer, but which 
require sowing every year, for they are either 
annual and only live for one summer, or else 
they are too tender to withstand the cold, and 
have to die like the annuals, even though they 
are perennial. It is to be hoped that you have 
