BOTANICAL TERMS AND DEFINITIONS. XXXvii 
Plaited, (Plicatum) applied to leaves when the disk of a leaf 
lies in folds, bearing a resemblance to a fan : example, the 
mallow. 
Plume, {Plumula) applied to the ascending part of the corculum^ 
formed of the infant stem and leaves. 
Pod, {Siliqua) a long dry seed vessel of two valves, separated by a 
linear receptacle, on whose edges the seeds are ranged 
alternately. 
Pointed, {Acuminatum) applied to leaves ending in an awl-shaped 
or taper point. 
Pollen, vide Dust. 
Pouch, {Silicula) a pod of a short or rounded form. 
Pr^morsum, vide Jagged-pointed. 
Prickle, vide Aculeus. 
Procumbent, {Procumhens) applied to stems lying or falling on 
the ground through weakness. 
Proliferous, {Prolifer) applied to the shooting out of new 
branches, from the extremities of former ones. 
Prostrate, {Prostratus) a stem is so called when it trails or runs 
horizontally over the ground. 
Pubescent, {Pubescens) when applied to the stems or leaves of 
plants implies that they are clothed with hairs or down. 
Punctatum, vide Dotted. 
Quinate, (Quinatum) compound leaves are so called when com- 
posed of five leaflets. 
Raceme, {Racemus) consists of numerous flowers, rather distant, 
each on its own proper stalk, and all connected together 
by one common peduncle. 
Radical Leaves, {Folia Radicalia) are such as spring from the 
root : example, the dandelion. 
Ray, {Radius) in compound flowers consists of all the florets com- 
posing the margin. 
Ramose, {Rameus) applied to flowers growing on the branches; to 
peduncles proceeding from a branch ; and also to leaves 
growing on branches when they differ from those on the 
stems. 
Receptacle, {Receptaculum) the basis or point, upon which 
all the parts of the fructification rest ; the receptacle 
has not always any particular figure to distinguish it, ex- 
cept in compound flowers, when the surface, which is 
either convex, concave, conical, scaly, cellular, hairy, or 
vol. I. i 
