The corolla of the Morning Glory.

Flower

The corolla of the Morning Glory.

The calyx of the Morning Glory.

Flower

The calyx of the Morning Glory.

A twig of the grape-vine.

Grape-vine

A twig of the grape-vine.

Tendrils, such as these of the Virginia Creeper, are very slender, leafless branches, used to enable certain plants to climb.

Tendrils

Tendrils, such as these of the Virginia Creeper, are very slender, leafless branches, used to enable…