owing tree, and bears exposure at high altitudes in a
commendable manner.

P. PANICULATA FLORE-PLENO (_syns Cerasus serrulata flore-pleno_ and _C.
Sieboldii_).--China, 1822. This is one of the most desirable of the
small-growing and double-flowered Cherries. It is of neat growth, with
short, stout branches that are sparsely furnished with twigs, and
smooth, obovate, pointed leaves, bristly serrated on the margins.
Flowers double and white at first, but afterwards tinged with pink,
freely produced and of good, lasting substance. P. paniculata Watereri
is a handsome variety that most probably may be linked to the species.

P. PENNSYLVANIA.--American Wild Red Cherry. North America, 1773. This is
an old-fashioned garden tree, and one of the choicest, producing in May
a great abundance of its tiny white flowers.

P. PERSICA FLORE-PLENO (_syns Amygdalus Persica flore-pleno_ and
_Persica vulgaris_), double-flowering Peach, is likewise well worthy of
culture, there being white, rose, and crimson-flowering forms.

P. PUDDUM (_syns P. Pseudo-cerasus_ and _Cerasus
Pseudo-cerasus_).--Bastard Cherry. China, 1891. There are very few more
ornamental trees in cultivation in this country than the
double-flowering Cherry. It makes a charming small-growing tree, is of
free growth and perfectly hardy, and one of, if not the most,
floriferous of the tribe. The flowers are individually large, pinky or
purplish-white, and produced with the leaves in April.

P. SINENSIS.--China, 1869. A Chinese Plum of somewhat slender growth,
and with the branches wreathed in small, white flowers. It is often seen
as a pot plant, but it is one of the hardiest of its family. P. sinensis
flore-pleno is a double white form, and the most ornamental for pot
work. There is also a variety with rose-coloured flowers.

P. SPINOSA.--Sloe, or Blackthorn. An indigenous, spiny shrub, with tiny
white flowers; and P. spinosa flore-pleno has small, rosette-like
flowers that are both showy and effective.

P. TOMENTOSA.--Japan, 1872. This is one of the most desirable of hardy
shrubs, with large, white, flesh-tinted flowers produced in the first
weeks of March, and in such quantities as almost to hide the branches
from view. It forms a well-rounded, dense bush of 5 feet or 6 feet high.

P. TRILOBA (_syns P. virgata, Amygdalopsis Lindleyi_ and _Prunopsis
Lindleyi_).--China, 1857. This is a very handsome early-flowering shrub,
that is at once recognised by the generally t