S = Sepals.
P = Petals.
Pr = Perianth.
A = Andrœcium.
G = Gynœceum.
♂ = Male.
♀ = Female.
☿ = Hermaphrodite.
∞ = Indefinite.
Names of continents and countries have sometimes been abbreviated, for
example:--Am. = America; As.=Asia; Af. = Africa; Ind. = India, etc.
N., S., E., W., = North, South, East, West; Temp. = Temperate Regions;
Trop. = Tropics.