Juncaceae

Flowers in cymes or in dense lateral clusters Juncaceae
Leaf sheaths open; seeds numerous Juncus
Leaves terete (sometimes compressed) or reduced to sheaths with the lamina as a small acute tip to the sheaths
Lamina well developed, terete or ± compressed
Leaves not jointed with internal septa, stiff and hard; plants robust; inflorescence apparently lateral
Perianth segments oblong-elliptic, obtuse or emarginate, c. half as long as the capsule. Capsule c. 2.5 mm diam. Inflorescence up to 7 cm long. Leaves up to 50 cm long, very pungent. Coast and Cumberland Plain. Damp places. Introd. from Europe Juncus acutusacutus
Perianth segments lanceolate, acute or acuminate, as long as or slightly shorter than the capsule. Capsule c. 1 mm diam. Inflorescence more than 10 cm long. Leaves c. 10 cm long. Coast. Damp, usually saline, places near the sea Juncus kraussiiaustraliensis