VASCULUM

Etymology

Noun

vasculum (plural vasculums or vascula)

A container used by botanists to keep samples viable by maintaining a cool, humid environment.

Source: Wiktionary

Vas"cu*lum, n.; pl. Vascula. Etym: [L., a small vessel.]

1. (Bot.)

Definition: Same as Ascidium, n., 1.

2. A tin box, commonly cylindrical or flattened, used in collecting plants.

Source: Webster’s Unabridged Dictionary 1913 Edition