Purpurea; planted on rich, well-drained soil, subject to occasional immersion, this willow may be grown profitably for basket-work.
Purpurea and S.
Digitalis purpurea (Foxglove): hardy, 3 to 5 ft., rosy-purple or' white; beautifully spotted; the variety called gloxinioides has regular, erect flowers.
Purpurea, or foxglove, 3 to 5 ft., with its dense racemes of purple flowers, spotted inside, is very showy, but is surpassed by the garden varieties that have been raised.
Purpurea (often called Rudbeckia) is the showiest species.
Purpurea, 2 ft., deep purple, are good border flowers.
Besides this, P. Sieboldii (cortusoides amoena), I ft., originally deep rose with white eye, but now including many varieties of colour, such as white, pink, lilac and purple; P. japonica, to 2 ft., crimson-rose; P. denticulate, ft., bright bluish-lilac, with its allies P. erosa and P. purpurea, all best grown in a cold frame; P. viscosa, 6 in., purple, and its white variety nivalis, with P. pedemontana and P. spectabilis, 6 in., both purple; and the charming little Indian P. rosea, 3 to 6 in., bright cherry-rose colour, are but a few of the many beautiful kinds in cultivation.
Dematophora necatrix on roots, Calyptospora Goeppertiana on stems, Ustilago Scabiosae in anthers, Claviceps purpurea in ovaries, &c. Associated with these relations are the specializations which parasites show in regard to the age of the host.
In the variety C. purpurea, the leaves, as also the pellicle of the kernel and the husk of the nut, are purple, and in C. heterophylla they are thickly clothed with hairs.
B, Young of Sacculina purpurea with its roots.