RADISH n.
The pungent fleshy root of a well-known cruciferous plant (Paphanus sativus); also, the whole plant. Radish fly (Zoöl.), a small two-winged fly (Anthomyia raphani) whose larvæ burrow in radishes. It resembles the onion fly. -- Rat-tailed radish (Bot.), an herb (Raphanus caudatus) having a long, slender pod, which is s…
TOWER n.
h, built at an angle of the interior polygon of some works. -- Tower mustard (Bot.), the cruciferous plant Arabis perfoliata. -- Tower of London, a collection of buildings in the eastern part of London, formerly containing a state prison, and now used as an arsenal and repository of various objects of public interest…
TREACLE n.
h, sycamore, and the like. Treacle mustard (Bot.), a name given to several species of the cruciferous genus Erysimum, especially the E. cheiranthoides, which was formerly used as an ingredient in Venice treacle, or theriac. -- Treacle water, a compound cordial prepared in different ways from a variety of ingredients,…
TURNIP n.
The edible, fleshy, roundish, or somewhat conical, root of a cruciferous plant (Brassica campestris, var. Napus); also, the plant itself. [Formerly written also turnep.] Swedish turnip (Bot.), a kind of turnip. See Ruta-baga. -- Turnip flea (Zoöl.), a small flea-beetle (Haltica, or Phyllotreta, striolata), which feeds…
YELLOW a.
r and iron; copper pyrites. See Chalcopyrite. -- Yellow cress (Bot.), a yellow-flowered, cruciferous plant (Barbarea præcox), sometimes grown as a salad plant. -- Yellow dock. (Bot.) See the Note under Dock. -- Yellow earth, a yellowish clay, colored by iron, sometimes used as a yellow pigment. -- Yellow fever (Med…