Usage examples (8)

• These six leaves constitute the perigone of the flower; the three outer are called sepals, the inner ones petals.
• The structure of the leaves of the perigone is much like that of the green leaves, but the tissues are somewhat reduced.
• The flowers are inconspicuous, borne usually in close spikes, and destitute of a perigone or having this reduced to small scales or hairs.
• There are three circles of leaves forming the perigone, the two outer being more or less membranaceous, and only the three inner petal-like in texture.