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Trees that heal (and don't).


Of the 750 native and naturalized species cataloged in the Check List of United States Trees (1979), only a relative handful truly possess medicinal powers. But a longtime interest in the subject convinces me that at least 300 species have been credited with having therapeutic properties.

The ills of humans have long responded to treatment by poultices, physics, ointments, pain killers, and other remedies concocted from leaves, twigs, bark, fruit, and roots. But so-called kitchen or folk medicine is gradually disappearing into history. This is a pity, for its traditions-even its superstitions-are colorful and tell us much about our past that is not recorded in formal history textbooks.

Medication in colonial America was largely the function of women. They concocted the remedies and administered the simple cures. Basically, their treatments were analgesic (diminishing pain), cathartic (purgative), and vulnerary (healing wounds). Physicians were often remote and not readily available.

I have compiled a representative miscellar of the hundreds of arboreal panaceas that formerly were accepted with faith in their curative powers. Some have been proved to be nostrums of questionable worth. For example, the vapor of boiled bark and leaves of balsam fir were inhaled to treat snakebite, surely a bizarre antidote.

Others are were, respectable remedies. An example is the syrup of wild black cherry that a 70-year-old grandmother would use to doctor her 10-year-old grandson (me) with a cold and sore throat. The syrup soothed my pain and had a favorable taste.

The various species of pine (Pinus spp.) have long been believed to possess curative values. The pinon pine of the Southwest (P. edulis) was esteemed by Indians, who chewed the gum for sore throat. Heated resin brought boils to a head and healed insect bites, inflammation, and cuts.

Longleaf pine (P. palustris), a conifer of the deep South, produces turpentine oil that was employed in the treatment of colic. The gum has been efficacious in the doctoring of kidney ailments and tuberculosis, as practiced by the primitives. It was used in ointments and plasters.

Hemlock (Tsuga canadensis) is abundant in the northern United States and Canada. A tincture of the fresh bark and young buds has a stimulating effect and is not to be confused with the hemlock that Socrates drank (a poison brewed from an herb). A strong decoction a concentration made by boiling) was at one time said to be useful as a diuretic and as a remedy to reduce gastric irritation and colic. An oil obtained by distillation of the leaves was applied as a liniment in croup and other respiratory disorders requiring a stimulant. The high tannin content of hemlock bark was a soothing cure for burns sores.

Northern white cedar (Thuja occidentalis), also known as arborvitae, is a handsome tree. Early in the settlement of America, an ointment of fresh arborvitae leaves with bear's fat was considered a relief from rheumatism. A decoction was useful in the treatment of scurvy, the dreaded affliction of seamen on sailing ships. Donald Culross Peattie in A Natural History of Trees says it was "probably the first tree of North America (north of Mexico) to be introduced into cultivation in Europe."

The berries of the common juniper (Juniperus communis) are the fruits that flavor gin, which some people claim-with or without tongue in cheek-is a corrective for that run-down feeling.

In early days, the branches and twigs of flowering dogwood (Cornus florida) were stripped of their bark and the ends used as a dentrifice, making teeth white. Juice of the stem, rubbed against the gums, preserved them hard and sound. An infusion of dogwood bark was believed to be an infallible remedy against worms. Early settlers steeped dogwood bark in whiskey and drank the infusion to relieve ague. A practitioner of folk therapy is credited with saying, "All good medicine contained some corn whiskey for preservative."

Willow, particularly black willow (Salix nigra), was considered a tonic and an astringent as a remedy for fevers. Paroxysmal breathing, as in asthma, was often treated by giving the patient an infusion of willow bark in water. Indeed, nearly 100 accounts of medical customs involve the willow tree.

The bark of fringetree, also called old-man's beard (Chionanthus virginicus), has been variously used as a poultice for healing wounds and as a tonic after long diseases.

Medicinally, prickly ash (Zanthoxylum americanum) is known as toothache-tree. An alkaloid called xanthoxylin is found throughout the tree and has been prized as a stimulant and diaphoretic (having the power to increase perspiration) and as a cure for flatulence. The berries were formerly, and may still be, collected commercially. The name toothache-tree results from the home treatment of the throbbing of an infected tooth. An anesthetic effect on the nerves occurs when prickly-ash fruits, about the size of peas, are taken into the mouth. It is said to have been used with success in the treatment of an epidemic of Asiatic cholera in Cincinnati in 1849 and 1850.

A tincture of the fresh bark of mountain ash (Sorbus americana) was formerly made into a tonic for malarial fevers. It was often employed in lieu of cinchona (quinine).

Our New England pioneers concocted a drink from black cherry (Prunus serotina) that they called cherry bounce. The cherries were pressed to extract the juice, which was then mixed with rum to create a stimulating potation. The bark's medicinal properties were used in cough medicines.

In olden days the resin of sweetgum (Liquidambar styraciflua) treated many afflictions: wounds, fever, toothache, skin diseases dysentery, herpes, scabies, and mange.

Witch hazel (Hamamelis virginiana) is a botanical curiosity. Its flowers do not open until its leaves fall in October. A watery infusion of witch hazel was used in hemorrhages, congestion, and inflammations. Although formerly advertised as an antiseptic and gargle, it is now mainly used, because of its hygienic odor, as an after-shave lotion and toilet water.

Buckeye (Aesculus glabra), or horsechestnut, has long been renowned as a preventive and protective deterrent in faith healing. In the fascinating book Foxfire 9, a granny mind-healer advocates a sure method of preventing arthritis: "Put a buckeye in your pocket and carry it around with you."

As a state forester in Pennsylvania, I knew a ranger who always had a buckeye in his pocket to ward off rheumatic fevers. When I ridiculed his habit as superstition, he said that no, it wasn't. He was 60 years old and hadn't caught rheumatism yet. I couldn't think of better proof than that.
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Title Annotation:Forest Folklore; an apothecary of real and imagined arboreal cures
Author:Clepper, Henry
Publication:American Forests
Date:Jan 1, 1991
Previous Article:Atlanta's miracle worker.
Next Article:Tough choices in old forests.

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