Flowers perfect; ovules and seeds usually numerous.
Stamens only one or two; flower irregular, gynandrous. [Orchidaceæ], [497]
Stamens three.
Anthers introrse, opening transversely. [Burmanniaceæ], [496]
Anthers introrse or versatile, opening lengthwise. [Hæmodoraceæ], [512]
Anthers extrorse, opening lengthwise. [Iridaceæ], [513]
Stamens 6; flowers usually on a scape from a bulb. [Amaryllidaceæ], [515]
2. Perianth adherent only to the base or lower half of the ovary.
Perianth woolly or roughish-mealy; leaves often equitant. [Hæmodoraceæ], [512]
Perianth smooth; the leaves grass-like. [Stenanthium], etc., in [Liliaceæ], [517]