=Parts.=--_Lobes_ (_thecæ_) and _connective_.
=Adnation.=--_Innate_, [Illustration] anther firm on summit of filament.
_Adnate_, [Illustration] anther attached by its whole length to
filament.
_Extrórse_, facing the petals.
_Intrórse_, facing the pistils.
_Versatile_, [Illustration] attached near the middle.
=Dehiscence.=--_Longitudinal_, [Illustration] opening lengthwise.
_Transverse_, [Illustration] opening crosswise.
_Porous_, [Illustration] opening by terminal holes.
_Valved_, [Illustration] opening by valves or doors.