LETTUCE n.
Lactuca (L. sativa), the leaves of which are used as salad. Plants of this genus yield a milky juice, from which lactucarium is obtained. The commonest wild lettuce of the United States is L. Canadensis. Hare's lettuce, Lamb's lettuce. See under Hare, and Lamb. -- Lettuce opium. See Lactucarium. -- Sea lettuce, cert…
MILK n.
, a variety of meningitis occurring in cows after calving. -- Milk glass, glass having a milky appearance. -- Milk knot (Med.), a hard lump forming in the breast of a nursing woman, due to obstruction to the flow of milk and congestion of the mammary glands. -- Milk leg (Med.), a swollen condition of the leg, usuall…