Ovary 2–4-celled; the cells 1-seeded. [Verbenaceæ], [401]

Stamens only 2 with anthers; ovary 4-lobed. [Lycopus], in [Labiatæ], [408]

Stamens 2, rarely 3; ovary 2-celled.

Low herbs; corolla scarious, withering on the pod. [Plantaginaceæ], [422]

Herbs; corolla rotate, or somewhat funnelform, and slightly irregular. [Veronica], in [Scrophulariaceæ], [386]

Shrubs or trees; corolla perfectly regular. [Oleaceæ], [335]

Division III. APETALOUS: corolla (and sometimes calyx) wanting.

A. Flowers not in catkins.

1. Ovary or its cells containing many ovules.

Ovary and pod inferior (i.e. calyx-tube adherent to the ovary),