Jasione Perennis (_Sheep Scabious_).--A hardy perennial which produces
a profusion of heads of blue flowers in June, and continues to bloom
till August. It enjoys a peat soil, and should have the protection of
a frame during the winter. It can be propagated by seeds, cuttings, or
division. Height, 1 ft.
Jasminum.--These are favourite plants for training over arbours or
trellis-work, and for growing against walls. The hardy kinds will
flourish in ordinary soil. The stove and greenhouse sorts should
be provided with a mixture of sandy peat and loam. They may all be
increased by cuttings of ripened wood planted in a sandy soil under
glass. J. Nudifolium produces an abundance of bright flowers after
its leaves have fallen, and is very suitable for town gardens. J.
Unofficinale is likewise adapted for town, bearing confinement well,
and has very sweet flowers. J. Revolutum needs protection in severe
weather. They bloom in July. Height, 12 ft.