Styles 2–5, separate. [Caryophyllaceæ], [82]

Stamens distinct, inserted on the calyx.

Styles 2 (or 3), or splitting into 2 in fruit. [Saxifragaceæ], [168]

Style 1; pod in the calyx, 1-celled. [Lythraceæ], [184]

2. Calyx-tube adherent to the ovary, at least to its lower half.

Tendril-bearing and often succulent herbs. [Cucurbitaceæ], [194]

Not tendril-bearing.

Ovules and seeds more than one in each cell.

Ovary 1-celled, many-ovuled from the base. [Portulacaceæ], [90]

Ovary 1-celled, with 2 or 3 parietal placentæ. [Saxifragaceæ], [168]