ALPINE PLANTS. 77 
P. pulcherrima, and P. denticulata do well in 
good ordinary loam in almost any aspect. 
PYROLA ROTUNDIFOLIA (Sritaim) likes a 
north aspect ; it does not care about the sun; 
peat, leaf-mould, and sand in equal parts suit 
it admirably. The other species will grow 
well under similar treatment. 
RAMONDIA PYRENAICA and PYRENAICA 
ALBA. There is no doubt that these plants 
do best in a north aspect, and are most useful 
for covering a north wall. If you have a 
north wall where you cannot grow anything, 
try Ramondia pyrenaica, by placing a few 
stones at the bottom, say 2ft. from the 
wall, then fill in with compost, peat, and loam 
equal parts. The fine should be sifted out of 
both peat and loam before using; a portion 
of broken limestone may be added and mixed 
well with the peat and loam. No doubt it 
will seem strange to add limestone to peat, but 
I have tried the experiment, and find the 
plants do much better where limestone is used. 
It keeps the peat and loam sweet much 
longer. After turning the compost over two 
or three times, throw the soil amongst the 
