American linden, showing wire guard.

American linden, showing wire guard.

American linden, showing wire guard.

Magnified cross-section of a flower-bud of the American Linden.

Bud

Magnified cross-section of a flower-bud of the American Linden.

The American Linden in flower.

Flower

The American Linden in flower.

The pistil of the American Linden.

Pistil

The pistil of the American Linden.

The pistil of the American Linden, cut in two.

Pistil

The pistil of the American Linden, cut in two.

A tuft of stamens with the petal-like scale of the American Linden.

Stamen

A tuft of stamens with the petal-like scale of the American Linden.