Flowers and their friends

by Margaret Warner Morley

Nitrogenous substances, n. Substances in which nitrogen is one of the constituents.

Node, n. L. nodus, a knot; the part of a stem which bears a leaf or leaves. It is often a little larger than the rest of the stem.

O.

Octavus, n. L. octavus, eighth; given in this book as a name to a suppositional plant.

Oil, n. From a Greek word meaning “olive oil.” An inflammable, greasy liquid extracted from certain vegetables, as olives, cotton seeds, nuts, etc.

Olive oil, n. The oil expressed from the fruit of the olive tree.

Orient, n. L. oriens, rising, as the sun; the East, the part of the horizon where the sun rises; Eastern countries, particularly Turkey, Persia, Egypt, India, China, etc.

Ovary cells, n. The cells which build up the ovary.

Ovule, n. L. ovum, an egg; a little egg. Applied to the rudimentary seeds of plants, which, upon fertilization and growth, become true seeds.

Ovule cells, n. The cells of which the ovule is formed.