Staminate, with stamens only; pistillate, with pistils only; neutral, with neither.

Monœcious, staminate and pistillate on same plant; diœcious, on different plants.

Dichlamydeous, having calyx and corolla; monochlamydecous, having calyx only; achlamydecous, having neither.

Di,

trí, tetrá, pentá-merous,

two, three, four, or five parts in each set.

Sessile, without peduncle; pedunculate,