H. AUREUM.--South Carolina and Georgia, 1882. This soon forms a neat and
handsome plant. The flowers are unusually large, and remarkable for the
tufts of golden-yellow stamens with which they are furnished.

H. CALYCINUM.--Aaron's Beard, or Rose of Sharon. South-east Europe. This
is a well-known native species of shrubby growth, bearing large yellow
flowers from 3 inches to 4 inches in diameter. It is a prostrate plant,
with coriaceous glossy leaves with small pellucid dots, and of great
value for planting in the shade.

H. ELATUM is a spreading species from North America (1762), growing to
fully 4 feet in height, and bearing terminal corymbs of large, bright
yellow flowers in July and August. Leaves rather large, oblong-ovate,
and revolute. On account of its spreading rapidly from the root, this
species requires to be planted where it will have plenty of room.

H. HIRCINUM.--Goat-scented St. John's Wort. Mediterranean region, 1640.
A small-growing and slender species, with oblong-lanceolate leaves 2
inches long, and producing small yellow flowers in terminal heads. There
is a smaller growing form known as H. hircinum minus. The plant emits a
peculiar goat-like odour.

H. MOSERIANUM is a beautiful hybrid form with red anthers.

H. OBLONGIFOLIUM (_syns H. Hookerianum_ and _H. nepalensis_).--Nepaul,
1823. An evergreen species, about 4 feet high, with oblong, pellucid,
dotted leaves, and deep golden, somewhat waxy flowers at the end of
summer.

H. PROLIFICUM.--North America, 1758. This is a much branched twiggy