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]
Cells of the (divided) ovary twice as many as the styles, sepals, &c. [Linaceæ], [101]
Shrubs or trees.
Leaves 3-foliolate, pellucid-punctate. [Ptelea], in [Rutaceæ], [107]
Leaves palmately veined and fruit 2-winged, or pinnate and fruit a berry. [Sapindaceæ], [115]
Leaves pinnately veined, simple, not punctate.