rts in
spring the roots may be divided. Height, 9 in.

Oxalis.--A genus of very pretty bulbous plants that thrive well in a
mixture of loam, peat, and sand, or will grow in any light soil. Most
of the tender kinds may be reared in a frame if protected from frost
in the winter. After they have done flowering they should be kept dry
until they begin to grow afresh. They are increased by off-sets from
the bulb. The hardy species should be planted in a shady border, where
they will grow and flower freely. The seeds of these may be sown in
the open in spring. Some of the varieties have fibrous roots: these
will bear dividing. They are equally suitable for pots, borders, or
rock-work. Height, 9 in. to 3 ft.

Ox-Tongue.--_See_ "Bugloss."

Oxythopis Campestris.--A hardy perennial with lemon-yellow flowers in
June and July. It will grow in any good garden soil, and is propagated
by seed only, which should be sown where the plants are intended to be
grown. Height, 6 in.

P

Pachysandra.--This early hardy perennial has ornamental foliage and
blooms in April. It will succeed in almost any soil, and may be
increased by suckers from the roots. Height, 1 ft.

Paeonies.--These beautiful flowering plants are mostly hardy enough to
endure our winters. The herbaceous kinds are increased by dividing the
plants at the roots, leaving a bud on each slip. The shrubby species
are multiplied by cuttings taken in August or September, with a piece
of the old wood attached, and planted in a sheltered situation. Tree
Paeonies require protection in winter, and may be propagated by
grafting on to the others, by suckers, or by layers. New varieties are
raised from seed. A rich, loamy soil suits them best. Height, 2 ft.

Palms from Seed.--Soak the seed in tepid water for twenty-four hours,
then put them singly 1 in. deep in 2-in. pots filled with equal parts
of loam, leaf-mould, and sand. Cover the pots with glass and stand
them in the warmest part of a hothouse. Shade from strong sunshine,
and keep the soil just moist. Re-pot as soon as the roots have filled
the old ones.

Pampas Grass.--_See_ "Gynerium."

Pampas Lily of the Valley.--_See_ "Withania."

Pancratium.--A handsome class of plants. Their habit of growth is
somewhat like that of the Amaryllis. They are admirably adapted for
growing in pots in the greenhouse. They may also be planted in the
open ground under a south wall. The bulbs should be placed in a
composition of three p