25. Chamælirium. Stem very leafy. Flowers diœcious. Capsule oblong, many-seeded.
26. Xerophyllum. Stem very leafy; leaves very narrow. Flowers perfect. Capsule few-seeded.
[*][*] Stems distichously equitant-leafy, from a creeping rootstock; flowers on bracteolate pedicels, racemose; anthers 2-celled; stigmas small, terminal; seeds often appendaged.
27. Tofieldia. Bractlets 3, verticillate. Styles short. Seeds horizontal.
28. Narthecium. Bractlet linear. Stigma slightly lobed. Seeds ascending.
[*][*][*] Anthers heart- or kidney-shaped, confluently 1-celled and peltate after opening; stigmas terminal; capsule 3-beaked by the persistent styles; seeds angled or flattened and margined.
[+] Stems tall, leafy, from a thick rootstock, pubescent above; flowers polygamous, racemose-paniculate; seeds flat, winged.
29. Melanthium. Sepals free from the ovary, their long claws bearing the filaments.
30. Veratrum. Sepals without claws, slightly adnate to the ovary. Leaves strongly nerved and plicate.
[+][+] Root mostly bulbous; glabrous; flowers racemose or panicled; seeds narrow, angled; leaves linear.