Albus, Latin for white.

Albumen of the seed, nourishing matter stored up with the embryo, [21], [127].

Albumen, a vegetable product, of four elements.

Albuminous (seeds), furnished with albumen, [21].

Alburnum, young wood, sap-wood, [142].

Alliaceous, with odor of garlic.

Allogamous, close fertilization.

Alpestrine, subalpine.

Alpine, belonging to high mountains above the limit of forests.

Alternate (leaves), one after another, [29], [67]. Petals are alternate with the sepals, or stamens with the petals, when they stand over the intervals between them, [82].