Sheathing, wrapped round the stem.
Shield-shaped, same as scutate, or as peltate, [53].
Shrub, Shrubby, [39].
Sieve-cells, [140].
Sigmoid, curved in two directions, like the letter S, or the Greek sigma.
Silicle, a pouch, or short pod of the Cress Family, [123].
Siliculose, bearing a silicle, or a fruit resembling it.
Silique, capsule of the Cress Family, [123].
Siliquose, bearing siliques or pods which resemble siliques.
Silky, glossy with a coat of fine and soft, close-pressed, straight hairs.