Ovule solitary; shrubs or trees; stigmas 3. [Anacardiaceæ], [118]
Ovules solitary or few; herbs. Some anomalous [Cruciferæ], [61]
Ovules more than one, in the centre or bottom of the cell.
Petals not inserted on the calyx. [Caryophyllaceæ], [82]
Petals on the throat of a bell-shaped or tubular calyx. [Lythraceæ], [184]
Ovules several or many, on two or more parietal placentæ.
Leaves punctate with pellucid and dark dots. [Hypericaceæ], [92]
Leaves beset with reddish gland-tipped bristles. [Droseraceæ], [178]
Leaves neither punctate nor bristly-glandular.
Sepals 5, very unequal or only 3. [Cistaceæ], [76]