Style twice or thrice forked; flowers moncious.

Crotonopsis, in EUPHORBIACEae, 458

Styles 5; ovule and seed only one. PLUMBAGINACEae, 327

Ovary 2--4-celled.

Calyx-lobes minute or obsolete; petals valvate. VITACEae, 112

Calyx 4--5-cleft, valvate in the bud; petals involute.

RHAMNACEae, 111

[C.] _Stamens not more than twice as many as the petals, when of just the number of the petals then alternate with them._

1. _Calyx free from the ovary, i.e. the ovary wholly superior._

[*] _Ovaries 2 or more, separate._

Stamens united with each other and with a large and thick stigma common to the two ovaries. ASCLEPIADACEae, 338

Stamens unconnected, on the receptacle, free from the calyx.

Leaves punctate with pellucid dots. RUTACEae, 106

Leaves not pellucid-punctate.

Tree, with pinnate leaves. Ailanthus, in SIMARUBACEae, 107

Low shrub, with pinnate leaves. Xanthorrhiza, in RANUNCULACEae, 48

Herbs, not fleshy. RANUNCULACEae, 34

Herbs, with thick fleshy leaves. CRa.s.sULACEae, 176

Stamens unconnected, inserted on the calyx.

Just twice as many as the pistils (flower symmetrical).

CRa.s.sULACEae, 176

Not just the number or twice the number of the pistils.

Leaves without stipules. SAXIFRAGACEae, 168

Leaves with stipules. ROSACEae, 150

[*][*] _Ovaries 2--5, somewhat united at the base, separate above._

Leaves punctate with pellucid dots. RUTACEae, 106

Leaves not pellucid-punctate.

Shrubs or trees with opposite leaves. SAPINDACEae, 115

Terrestrial herbs; the carpels fewer than the petals.

SAXIFRAGACEae, 168

[*][*][*] _Ovaries or lobes of ovary 3 to 5, with a common style._ GERANIACEae, 102

[*][*][*][*] _Ovary only one, and_

[+] _Simple, with one parietal placenta._ LEGUMINOSae, 122

[+][+] _Compound, as shown by the number of cells, placentae, styles, or stigmas._

Ovary one-celled.

Corolla irregular; petals 4; stamens 6. FUMARIACEae, 59

Corolla irregular; petals and stamens 5. VIOLACEae, 78

Corolla regular or nearly so.

Ovule solitary; shrubs or trees; stigmas 3. ANACARDIACEae, 118

Ovules solitary or few; herbs. Some anomalous CRUCIFERae, 61

Ovules more than one, in the centre or bottom of the cell.

Petals not inserted on the calyx. CARYOPHYLLACEae, 82

Petals on the throat of a bell-shaped or tubular calyx.

LYTHRACEae, 184

Ovules several or many, on two or more parietal placentae.

Leaves punctate with pellucid and dark dots. HYPERICACEae, 92

Leaves beset with reddish gland-tipped bristles.

DROSERACEae, 178

Leaves neither punctate nor bristly-glandular.

Sepals 5, very unequal or only 3. CISTACEae, 76

Sepals and petals 4; stamens 6. Anomalous CRUCIFERae, 61

Sepals and petals 5; stamens 5 or 10.

Ovary and stamens raised on a stalk. Pa.s.sIFLORACEae, 194