I70 HARDY PERENNIALS 
growth, size of flower, and in colour, although it 
must be added that in the latter respect yellow in 
shades predominates. All the (Enotheras are easy 
to grow, and are among the best of plants for dry, 
stony, or chalky soils. The garden owner who seeks 
relaxation in his garden in the evening after a busy 
day will find great enjoyment in the (Enotheras, for 
the majority of them open their fragrant and con- 
spicuous flowers in the cool twilight of the evening. 
The old-fashioned Evening Primrose, (E. biennis, 
so readily reproduces itself from self-sown seeds 
that once installed in the garden, it gives no further 
trouble, except indeed it may become necessary to 
remove seedlings that spring up where none are 
wanted. The smaller, richly-coloured fruticosa varie- 
ties are true herbaceous perennials that may be 
propagated by division of the clumps. (E. acaulis, 
otherwise named taraxacifolia, is a very interesting 
plant. It produces tufts of foliage closely resembling 
the Dandelion, and on very short stalks large blos- 
soms open widely, which are first pure glistening 
white, but change before they fade to a pretty shade 
of light pink. (E. missouriensis, also called Macro- 
carpa, is another delightful plant of dwarf stature. 
Its leaves are covered with silky hairs, its stems are 
bright red, and its blossoms are of a particularly 
clear canary yellow. Perhaps the finest gem of a 
rich family is (E. speciosa. Its white flowers are 
freely produced on fairly long, sub-shrubby stems, 
and here again a delightful pink tinge creeps over the 
