Ovary not lobed; pod many-seeded.
Filaments or some of them woolly. [Verbascum], [Scrophulariaceæ], [379]
Filaments not woolly. [Hyoscyamus], [Solanaceæ], [376]
[*][*][*] Corolla regular.
[+] Stamens as many as the lobes of the corolla.
Ovaries 2, separate; their
Styles and stigmas also wholly separate. [Dichondra], [Convolvulaceæ], [368]
Stigmas and sometimes styles united into one.
Filaments distinct; pollen in ordinary grains. [Apocynaceæ], [337]
Filaments monadelphous; pollen in masses. [Asclepiadaceæ], [338]