Hippocrepis.--Very pretty hardy trailing perennials, covered from May
to July with golden Pea-shaped flowers. They will grow in any light,
sandy soil, and may be increased by cuttings, which root readily under
glass. Height, 3 in. to 6 in.
Hippophae.--Ornamental shrubs, thriving in ordinary soil, and
increased by layers or cuttings of the roots. H. Rhamnoides (Sea
Buckthorn) flowers in May. Height, 12 ft.