Stamens free or nearly free from the corolla; style single. ERICACEÆ, 309 Stamens free from the corolla; styles 5. Oxalis, in GERANIACEÆ, 105 Stamens inserted on the base or tube of the corolla. Filaments monadelphous; anthers 1-celled, kidney-shaped. MALVACEÆ, 96 Filaments 1--5-adelphous at base; anthers 2-celled. Calyx free from the ovary. TERNSTRŒMIACEÆ, 96 Calyx coherent with the ovary or with its base. STYRACACEÆ, 333 Filaments wholly distinct; calyx free, persistent. EBENACEÆ, 333 Filaments in pairs at each sinus; anthers 1-celled. CAPRIFOLIACEÆ, 216 [B.] _Stamens (fertile ones) as many as the lobes of the corolla and opposite them._ Ovary 5-celled; corolla appendaged with scales inside. SAPOTACEÆ, 332 Ovary 1-celled; pod several--many-seeded; style 1. PRIMULACEÆ, 328 Ovary 1-celled; utricle 1-seeded; styles 5. PLUMBAGINACEÆ, 327 [C.] _Stamens as many as the lobes of the corolla and alternate with them, or fewer._ [1.] _Ovary adherent to the calyx-tube (inferior)._ Tendril-bearing herbs; anthers often united. CUCURBITACEÆ, 194 Tendrils none. Stamens united by their anthers into a ring or tube. Flowers in an involucrate head. COMPOSITÆ, 230 Flowers separate, not involucrate; corolla irregular. LOBELIACEÆ, 305 Stamens separate, free from the corolla or nearly so, as many as its lobes; stipules none; juice milky. CAMPANULACEÆ, 307 Stamens separate, inserted on the corolla, One to three, always fewer than the corolla-lobes. VALERIANACEÆ, 228 Four or five; leaves opposite or whorled. Ovary 1-celled; flowers in a dense involucrate head. DIPSACEÆ, 229 Ovary 2--5-celled. Leaves whorled and without stipules. RUBIACEÆ, 222 Leaves opposite or whorled, and with stipules. RUBIACEÆ, 222 Leaves opposite without stipules (petioles sometimes with stipule-like appendages). CAPRIFOLIACEÆ, 216 [2.] _Ovary free from the calyx (superior)._ [*] _Corolla irregular; stamens (with anthers) 4 and didynamous, or only 2._ Ovules and seeds solitary in the (1--4) cells. Ovary 4-lobed, the style rising from between the lobes. LABIATÆ, 403 Ovary not lobed, the style from its apex. VERBENACEÆ, 401 Ovules numerous or at least as many as 2 in each cell. Ovary and pod 1-celled, With a free central placenta; stamens 2. LENTIBULACEÆ, 395