Seedlet, n. A little seed.
Sepal, n. L. separ, separate; one of the separate leaves that form the calyx.
Septimus, n. L. septimus, seventh; the name given in this book to a suppositional plant.
Sextus, n. L. sextus, sixth; a name given in this book to a suppositional plant.
Shrub, n. A woody, branching plant, smaller than a tree.
Silica, n. L. silex, flint; a substance found very abundantly in the earth’s crust. It is very hard, and when melted forms glass; it is found in solution in some springs and is taken up by certain plants and deposited on or near the surface.
Skin, n. The outside covering of an animal or plant.
Skin cells, n. The cells of which the skin is made up.
Snowdrop, n. An early spring flower cultivated in gardens; it sometimes blossoms under the snow.
Soda, n. A compound of sodium, carbon, and oxygen; found in the composition of some plants.