Pictured are stamens and the vertical section of an ovary from a flower of the anecphya group.

Anecphya Group

Pictured are stamens and the vertical section of an ovary from a flower of the anecphya group.

Pictured are the stamens of a vertical cross section of an ovary from a flower of the <i>brachyceras</i> group.

Brachyceras Group

Pictured are the stamens of a vertical cross section of an ovary from a flower of the brachyceras group.

Pictured are the stamens and a vertical section of the ovary of a flower of the castalia group.

Castalia Group

Pictured are the stamens and a vertical section of the ovary of a flower of the castalia group.

"Geranium Robertianum. 1. its stamens; 2. its ovary; 3. a section of its seed." -Lindley, 1853

Herb Robert

"Geranium Robertianum. 1. its stamens; 2. its ovary; 3. a section of its seed." -Lindley, 1853

"Iris. I, flower; II, seed, longitudinal section; III, flower with outer segments of perianth removed; stig., stigma, ov., ovary." -Bergen, 1896

Iris

"Iris. I, flower; II, seed, longitudinal section; III, flower with outer segments of perianth removed;…

"Iris. I, flower, longitudinal section, ov., ovary; II, diagram, showing stigmas opposite the stamens; III, capsule, splitting between the partitions." -Bergen, 1896

Iris

"Iris. I, flower, longitudinal section, ov., ovary; II, diagram, showing stigmas opposite the stamens;…

Pictured are the stamens and a vertical section of the ovary of a flower of the lotos group.

Lotos Group

Pictured are the stamens and a vertical section of the ovary of a flower of the lotos group.

"Flower of Asclepias Cornuti. A, entire flower; B, vertical section; C, diagram; D, details of pollen-masses and glands. ca, calyx; c, corolla; hd, hood; hn, horn; a, anther; s, stigma; o, ovary; g, gland; p, pollen-mass." -Bergen, 1896

Milkweed

"Flower of Asclepias Cornuti. A, entire flower; B, vertical section; C, diagram; D, details of pollen-masses…

Illustrated are transverse sections of ovaries of (a) <i>synocarpous</i> and (b) <i>apocarpous</i>.

Transverse Sections of Ovaries

Illustrated are transverse sections of ovaries of (a) synocarpous and (b) apocarpous.

"The ovary of Paeonia Moutan, surrounded by its broken disk." -Lindley, 1853

Peony

"The ovary of Paeonia Moutan, surrounded by its broken disk." -Lindley, 1853