Parenchyma. The soft spon^ cellular
tissue (often green), which forms the
pith of stems, the pulp of leaves and
young fruit, and fills the interstices of
woody or vascular fibres.
Paries (plural, parietef). The outside
wall, or enclosing shell, which circum-
scribes the cavity of a pericarp.
Parietal; afllxed to, or belonging to, the
paries or outer wall of the seed-cell of a
pericarp.
Parietal placenta. When the placentSB
are borne upon the wall", instead of the
axis, of the ovary or pericarp.
Parted; divided deeply, almost to the
base.
Partial; a term applied to eonstltuent«por-
tions of a compound whole.
Partition. See Dissepiment.
PatelTform ; in the form of little plates
or dishes.
Pectinate; finely, regularly and deeply
cleft, so as to resemble the teeth of a
comb.
PedateXe&f. Like a bird's foot; divided
nearly to the petiole in narrow segments,
with the lateral ones diverging.
Pedk'el. A partial peduncle ; the ultimate
branch or division (next to the flower, or
fruit), in a compound inflorescence.
PidicelkUe; having, or being supported
on a pedicel

Peduncle; a simple flower stem ; also the
common foot stalk of a compound Inflo-
resence.
Pedunculate; having a peduncle; not sessile.
Pellucid; transparent; pervious to light

Pelliwid-punctaie ; having punctures
which permit light to pass througli.
Peltate; like a shield; having the footstalk
affixed to the under sur&oe, and not to
the margin.
Pencil-farm; resembling a painter s pen-
cil or little brush.
Pendulous; hanging down ; attached at
one end, and swinging loosely.
Pendulous ovules or s^ds; when their di-
rection Is downwards.
PeniciUate; tipped or tufted with hairs,
like a painter's penclL

Penni-nerred leaf. Having the lateral
nerves pinnately arranged, or feather-
like. See Feather 'Veined.
Pentagonal; having 5 angles or comers.
Pentdgynous; having 5 pistils.
Pentdm^rous; composed of 5 parts.
