"Begonia Flowers. A, staminate flower; B, pistillate flower; C, twisted stigmas, enlarged; D, cross-section of ovary; o, ovary; s, sepals; p, petals." -Bergen, 1896

Begonia

"Begonia Flowers. A, staminate flower; B, pistillate flower; C, twisted stigmas, enlarged; D, cross-section…

Illustrated are the pistillate flowers of corylus rostrata. They are small, scaly buds with only the red style protruding.

Corylus Rostrata

Illustrated are the pistillate flowers of corylus rostrata. They are small, scaly buds with only the…

Illustrated is a pistillate flower of cucumis melo.

Cucumis Melo

Illustrated is a pistillate flower of cucumis melo.

Pictured are the staminate and pistillate flowers of cucumis sativus.

Cucumis Sativus

Pictured are the staminate and pistillate flowers of cucumis sativus.

Indian Rice Grass (Zizania aquatica), also known as Wild Rice, or Water Oats, is found in swampy borders of streams, and is common in shallow water. It grows from three to nine feet in height, with flat, long, lanceolate leaves. It has a large, pyramidal panicle with spreading, sterile lower branches. Here we see a fertile or pistillate flower.

Indian Rice Grass

Indian Rice Grass (Zizania aquatica), also known as Wild Rice, or Water Oats, is found in swampy borders…

Indian Rice Grass (Zizania aquatica), also known as Wild Rice, or Water Oats, is found in swampy borders of streams, and is common in shallow water. It grows from three to nine feet in height, with flat, long, lanceolate leaves. It has a large, pyramidal panicle with spreading, sterile lower branches. Here we see a ripe fertile or pistillate flower.

Indian Rice Grass

Indian Rice Grass (Zizania aquatica), also known as Wild Rice, or Water Oats, is found in swampy borders…

Illustrated is a pistillate flower of hubbard squash.

Hubbard Squash

Illustrated is a pistillate flower of hubbard squash.

"Willlow (Salix). Leafy branch, bearing two pistillate catkins. Staminate flower above, at the left; pistillate flower below, at the right." -Gager, 1916

Willow Branch

"Willlow (Salix). Leafy branch, bearing two pistillate catkins. Staminate flower above, at the left;…

"Catkins of willow. A, staminate flowers; B, pistillate flowers." -Bergen, 1896

Willow Catkin

"Catkins of willow. A, staminate flowers; B, pistillate flowers." -Bergen, 1896

"Flowers of willow. A, staminate flower; B, pistillate flower." -Bergen, 1896

Willow Flowers

"Flowers of willow. A, staminate flower; B, pistillate flower." -Bergen, 1896