158 HARDY PERENNIALS 
the skill of experts with the most favoured conditions 
at their command. 
For the ordinary border we may plant such as 
L. candidum, chalcedonicum, croceum, testaceum, 
and tigrinum with every prospect of success, so long 
as the soil is well nourished, but where one wants 
a collection of the choicest kinds, guidance as to 
selection and cultural details should be sought in a 
good work on bulbous plants. 
Linaria. — Closely similar in form of flower to the 
Antirrhinum, and although smaller in size of indi- 
vidual flower, so prolific and constant as to compare 
with the Antirrhinum for brave display, the Linarias 
are invaluable to the owner of a wall garden or a 
stony bank that is generally difficult to plant. The 
purple, gold-tipped L. alpina, the tall L. dalmatica 
with golden flowers, and L. purpurea, which as its 
name implies is purple, may either of them be 
established by merely scattering seeds in the 
crevices between the stones, or on any ledge where 
seed and soil may rest without being entirely washed 
away. The seedlings contrive in a remarkable 
manner to get their roots through the narrowest 
chinks into the body of cool, moist soil behind or 
beneath the stones, and with this accomplished the 
stems and foliage will withstand fierce blazing sun 
and revel in it. One of the daintiest and most useful 
of the family is L. repens Snowflake. This plant 
throws underground stems in all directions, even- 
tually rising upward and making bushy branching 
