Not just the number or twice the number of the pistils.
Leaves without stipules. Saxifragaceæ, 168
Leaves with stipules. Rosaceæ, 150
[*][*] Ovaries 2–5, somewhat united at the base, separate above.
Leaves punctate with pellucid dots. Rutaceæ, 106
Leaves not pellucid-punctate.
Shrubs or trees with opposite leaves. Sapindaceæ, 115
Terrestrial herbs; the carpels fewer than the petals. Saxifragaceæ, 168
[*][*][*] Ovaries or lobes of ovary 3 to 5, with a common style. Geraniaceæ, 102
[*][*][*][*] Ovary only one, and
[+] Simple, with one parietal placenta. Leguminosæ, 122
[+][+] Compound, as shown by the number of cells, placentæ, styles, or stigmas.
Ovary one-celled.
Corolla irregular; petals 4; stamens 6. Fumariaceæ, 59
Corolla irregular; petals and stamens 5. Violaceæ, 78
Corolla regular or nearly so.
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
Sepals and petals 4; stamens 6. Anomalous Cruciferæ, 61
Sepals and petals 5; stamens 5 or 10.
Ovary and stamens raised on a stalk. Passifloraceæ, 194
Ovary sessile. Saxifragaceæ, 168
Ovary 2–several-celled.
Flowers irregular.
Anthers opening at the top,
Six or eight and 1-celled; ovary 2-celled, 2-ovuled. Polygalaceæ, 120
Ten and 2-celled; ovary 5-celled. Rhododendron, in Ericaceæ, 286
Anthers opening lengthwise.
Stamens 12 and petals 6 on the throat of a tubular inflated or gibbous calyx. Cuphea, in Lythraceæ, 186
Stamens 5–8 or 10, and petals hypogynous, or nearly so.
Ovary 3-celled. Sapindaceæ, 115
Ovary 5-celled. Impatiens, &c., in Geraniaceæ, 105
Flowers regular or nearly so.
Stamens neither just as many nor twice as many as the petals,
Triadelphous; petals 5. Hypericaceæ, 92
Tetradynamous (or rarely only 2 or 4); petals 4; pungent herbs. Cruciferæ, 61
Distinct and fewer than the 4 petals. Oleaceæ, 335
Distinct and more numerous than the petals. Sapindaceæ, 115
Stamens just as many or twice as many as the petals.
Ovules and seeds only 1 or 2 in each cell.
Herbs; flowers monœcious or diœcious. Euphorbiaceæ, 451
Herbs; flowers perfect and symmetrical.
Cells of the ovary as many as the sepals, &c. Geraniaceæ, 102