LICHEN n.
plants, (technically called Lichenes), having no distinction of leaf and stem, usually of scaly, expanded, frond-like forms, but sometimes erect or pendulous and variously branched. They derive their nourishment from the air, and generate by means of spores. The species are very widely distributed, and form irregular s…
MOSAIC a.
ne. -- Mosaic gold. (a) See Ormolu. -- (b) Stannic sulphide, SnS2, obtained as a yellow scaly crystalline powder, and used as a pigment in bronzing and gilding wood and metal work. It was called by the alchemists aurum musivum, or aurum mosaicum. Called also bronze powder. -- Mosaic work. See Mosaic, n.…
MUSKRAT n.
atic fur-bearing rodent (Fiber zibethicus). It resembles a rat in color and having a long scaly tail, but the tail is compressed, the bind feet are webbed, and the ears are concealed in the fur. It has scent glands which secrete a substance having a strong odor of musk. Called also musquash, musk beaver, and ondatra.…
OAK n.
catkins. The fruit is a smooth nut, called an acorn, which is more or less inclosed in a scaly involucre called the cup or cupule. There are now recognized about three hundred species, of which nearly fifty occur in the United States, the rest in Europe, Asia, and the other parts of North America, a very few barely re…