"Aldrovanda vesiculosa. Whorl of Leaves." — The Encyclopedia Britannica, 1893

Aldrovanda

"Aldrovanda vesiculosa. Whorl of Leaves." — The Encyclopedia Britannica, 1893

a conductor, as a copper wire, wound up in a spiral or other form.

Spiral Conducting Coil

a conductor, as a copper wire, wound up in a spiral or other form.

"Diagram of the symmetrical trimerous flower of Fritillary, having three divisions of the two outer whorls, and of the pistil in the center, and six stamens in two rows." — Encyclopedia Britanica, 1893

Fritillary

"Diagram of the symmetrical trimerous flower of Fritillary, having three divisions of the two outer…

"Diagram of the trimerous symmetrical flower of Iris. There are three alternating divisions of each whorl. Below is a single bracket." — Encyclopedia Britanica, 1893

Iris

"Diagram of the trimerous symmetrical flower of Iris. There are three alternating divisions of each…

"The European hedge woundwort, a tall hairy plant, with heart-shaped leaves, and numerous whorls of full purple flowers, usually six in a whorl."

Stackys sylvatica

"The European hedge woundwort, a tall hairy plant, with heart-shaped leaves, and numerous whorls of…