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1 Tepals separate or fused only at the extreme base.
....3 Tepals white, with a greenish stripe on the outer surface, separate; bracts 0-1 per flower; [subfamily Ornithogaloideae]
......4 Bulb large, > 3 cm in diameter; leaves > 10 mm wide; tepals thick-textured, ± oblong, whitish or yellowish with distinct, broad, green to brown longitudinal band on adaxial surface associated with 3-5 medially aggregated veins
......4 Bulb to 3.5 cm in diameter; leaves 3-10 (-15 mm) wide; tepals usually ovate or lanceolate, thick- or thin-textured, unicolored or with narrow, indistinct green or brownish keel on adaxial surface not associated with medially aggregated veins
....3 Tepals blue (less commonly white or pink), separate or fused at the extreme base; bracts either 0-1 or 2 per flower; [subfamily Hyacinthoideae, tribe Hyacintheae].