Actinocarpus
(from aktin, a ray, and karpos, fruit; referring to the curiously radiated fruit, resembling a star fish). ORD. Alismaceae. Pretty little aquatic perennials, with habit and inflorescence of Alisma. Carpels six to eight, connate at base, spreading horizontally. Excellent for naturalising in bogs and pools. Increased by seeds and divisions during spring. A. Damasonium (Damasonium). Ray Pod. fl. white, very delicate; each petal has a yellow spot at the base; scapes with a terminal umbel. June. l. radical, on long petioles, sometimes floating, elliptical, five-nerved. A native aquatic. The proper name of this plant is Damasonium stellatum. A. minor (smaller).* This greenhouse species, also with white flowers, from New South Wales, is smaller.