68 ALPINE PLANTS. 
withstand 30deg. of frost if planted in a 
suitable place, wedged between stones in an 
elevated position facing full south, and pro- 
tected from the north and east; in a hot, 
dry corner it will do well. It must be perfectly 
dry during winter. It may lose part of its 
foliage, but will spring again from the old 
stems. O. ¢aurica is of comparatively easy 
culture, and is often grown with Carnations 
during the summer, and treated the same way 
as regards the layers ; but keeping it through 
a damp winter is quite another thing. I find 
it succeeds well if planted on a knoll of 
rockwork on a very dry bank, where the trees 
hang over, in comparatively shallow _ soil, 
where it can be burnt well up in the summer 
and gets the wood well ripened. 
OXYTROPIS PYRENAICA (Pyrenees). <A 
compact little rock plant of easy culture, 
south or south-west aspect, in gritty sand 
and leaf-mould, equal parts; between stones 
or on the flat part. 
PAPAVER ALPINUM. Very useful for small 
gardens, and adapts itself to any part of the 
rockery in sandy loam. If a little seed be 
