Tea Tree
Tea Tree 
Tea tree and its essential oil, is one of the most important natural antiseptics. Useful for stings, burns, wounds and skin infections of all kinds, the herb merits a place in every medicine chest. The tree is an evergreen reaching 7 m with layers of papery bark, pointed leaves and white flower spikes.
Slippery Elm
Slippery Elm 
This marvelous herb is a gentle and effective remedy for irritated states of the mucous membranes of the chest, urinary tubules, stomach and intestines. It was used in many different ways by Native Americans as a poultice for wounds, boils, ulcers and inflamed eyes, and internally for fevers, cold and bowel complaints. Slippery elm has a strongly mucilaginous slippery taste and texture. The plant is a large tree growing to 18 m with a brown trunk and rough grey-white bark on the branches.
Nettle
Nettle 
Well known for its sting, nettle has long been appreciated for its medicinal uses. In the 1st century the fresh chopped leaves were used as a plaster for septic wounds, the juice for nosebleeds, and the cooked leaves mixed with myrrh to stimulate menstruation. Today, nettle is used for hay fever, arthritis, anaemia, and even for nettle rash. The nettle plant is a perennial growing to 1.5 m, which lance-shaped leaves and green flowers with yellow stamens.
Hops
Hops 
The bitter taste of hops largely accounts for this herb’s ability to strengthen and stimulate the digestion. Hops are also sedative and make a valuable remedy for sleeplessness and excitability. The hops tree is a tall climbing perennial witch grows to 7 m and the plants are either male or female.