See Lycopodium.

Muscus cumatilus. Lichen apthosus Lin. Sp. Pl. 1616, is supposed to be anthelmintic, and is given in infusion or decoction to destroy worms, or to remove aphthae. The dose of the powder is twelve grains to infants. Its smell is highly fetid and disgusting.

Muscus arboreus, lie/ten plicatus Lin. Sp. Pl. 1622, usnaea officinarum. It is slightly astringent, used to stop haemorrhages, and by the Laplanders to relieve excoriations from travelling.

Muscus lapideus. See Corallina.

Muscus pulmonarius. ' Pulmonaria arborea, oak lungs, and lung wort, is made up of flat, wrinkled, rough leaves, greenish above, and ash coloured underneath, with several round, reddish brown spots on the surface, in which the seed is supposed to lie. It hath a bitterish astringent taste, and grows spontaneously on the oak tree.

Muscus pyxidatus, musculus pyxoides terrestris, lichen pyxidatus major; lichen cocciferus Lin. Sp. Pl. 1618. Cup moss, a species of lichen, growing on barren dry ground, with many hoary whitish green, small leaves, spread on the surface of the earth, among which arise little, whitish, dusky, hollow cups, a quarter of an inch high, showing neither flower nor seed. The decoction is reckoned a specific in the hooping cough.

Muscus squamosus terrestris. See Lycopodium.