What is "mock bishop's weed"

Mock \Mock\, a. Imitating reality, but not real; false; counterfeit; assumed; sham.

That superior greatness and mock majesty.
--Spectator.

Mock bishop's weed (Bot.), a genus of slender umbelliferous herbs ( Discopleura) growing in wet places.

Mock heroic, burlesquing the heroic; as, a mock heroic poem.

Mock lead. See Blende ( a ).

Mock nightingale (Zo["o]l.), the European blackcap.

Mock orange (Bot.), a genus of American and Asiatic shrubs ( Philadelphus), with showy white flowers in panicled cymes. Philadelphus coronarius, from Asia, has fragrant flowers; the American kinds are nearly scentless.

Mock sun. See Parhelion.

Mock turtle soup, a soup made of calf's head, veal, or other meat, and condiments, in imitation of green turtle soup.

Mock velvet, a fabric made in imitation of velvet. See Mockado.