=Parts.=--[Illustration] _Anther_, the enlarged and essential portion.
_Filament_, the stem holding the anther.
_Pollen_, the fertilizing powder found in the anther.
=Kinds.=--_Sessile_, [Illustration] anther without filament.
_Sterile_, filament without anther.
_Connivent_, [Illustration] converging.
_Exserted_, [Illustration] protruding out of corolla.
_Included_, entirely within the corolla.
_Didẏnamous_, [Illustration] four in number, two long and two short.
_Tetradẏnanious_, [Illustration] six in number, four long and two
short.
=Cohesion.=--_Syngenesious_, [Illustration] united by their anthers.
_Monodelphous_, united by their filaments into one set.
_Diadelphous_, united into two sets.
_Polyadelphous_, united into many sets.
=Adnation.=--_Hypógynous_, [Illustration] borne on the receptacle.
_Perígynous_, [Illustration] borne on the calyx.
_Epipétalous_, borne on the corolla.
_Alternate_, [Illustration] with the lobes.
_Opposite_, in front of the lobes.
_Epígynous_, borne on the ovary at its summit.
_Gynándrous_, borne on the style (Orchid).