Labrador Tea
Ledum glandulosum Nutt.

Evergreen, many-branched shrub, 1-3 feet tall, twigs have dense rusty hairs with spicy fragrance. Has narrow, oblong to lance shaped leaves that droop with rolled under margins, leathery, deep green above with dense rusty hairs underneath.  There are small, numerous white flowers in short umbrella-like clusters, protruding stamens.  It occurs in peat lands and moist coniferous woods, low to medium elevations.  Found throughout the Western United States.

Uses
Food: An aromatic tea can be made from the fresh or dried leaves. The dried leaves are often mixed with non-aromatic leaves such as comfrey. Some caution is advised, as plants contains a narcotic toxin called Ledel. This toxin only causes problems if the leaves are cooked for a long period in a closed container. It would be better to brew the tea in cold water by leaving it in a sunny place, or to make sure that it is brewed for a short time only in an open container. The leaves may be used as a flavouring, they are a bay leaf substitute. The fresh leaves can be chewed.

Medicine: The leaves and young flowering shoots were usable as an astringent, diaphoretic, diuretic, laxative and stomachache As a tea it was used it was also used to treat colds, sore throats, and allergies.  

Other: The leaves are effective in repelling moths, mice, rats etc.