Epimedium perralderianum (Barrenwort):
Tiny lemon yellow flowers held on fine wires above attractive, marbled foliage. Very good in shade, even dry shade
Galium odoratum (Sweet woodruff):
Ground-cover plant for dry shade.Delicate clusters of scented white flowers in the spring above fresh green foliage. Loved by bees. Hardy. Up to 30cm.