Stamens 10, monadelphous at the base. Leaflets 3, inversely heart-shaped. Oxalis, in GERANIACEÆ, 105 Stamens distinct, free from the calyx. Style 1, undivided. ERICACEÆ, 303 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 Ovary 2--several-celled. Anthers opening by pores at the apex; style 1. MELASTOMACEÆ, 183 Anthers not opening by pores. Stamens on a flat disk which covers the ovary. CELASTRACEÆ, 109 Stamens inserted on the calyx. Eight or four (rarely five); style 1. ONAGRACEÆ, 186 Five or ten; styles 2--3, distinct. SAXIFRAGACEÆ, 168 Ovules and seeds only one in each cell. Stamens 10 or 5 (instead of many),-- rarely in Cratægus, in ROSACEÆ, 165 Stamens 2 or 8; style 1; stigma 2--4-lobed; herbs. ONAGRACEÆ, 186 Stamens 4 or 8; aquatics; styles or sessile stigmas 4. HALORAGEÆ, 180 Perfect stamens 4; styles 2; shrub. HAMAMELIDEÆ, 179 Stamens 4; style and stigma 1; chiefly shrubs. CORNACEÆ, 213 Stamens 5; flowers in umbels, or rarely in heads. Fruit dry, splitting in two at maturity; styles 2. UMBELLIFERÆ, 193 Fruit berry-like; styles 2--5, separate or united. ARALIACEÆ, 212 Division II. GAMOPETALOUS calyx and corolla both present; the latter with its petals united more or less into one piece. [A.] _Stamens more numerous than the lobes of the corolla._ Ovary 1-celled with one parietal placenta. LEGUMINOSÆ, 122 Ovary 1-celled with two parietal placentæ. Adlumia, &c., in Fumariaceæ, 60 Ovary 1-celled with the ovules at the centre or base. STYRACACEÆ, 333 Ovary 2-celled with a single ovule in each cell. POLYGALACEÆ, 120 Ovary 3--many-celled.