. Bulletin (Pennsylvania Department of Forests and Waters), no. 51-55. Forests and forestry. .-'*â¢-â "â '-TrvBnnmam. ^"«*est V'f*^. Sunlight Filtering Through The Foliage Of Pines And Hemlocks Socrates drank was the infusion of an herb belonging to the Conitim genus, a plant related to our wild carrot that grows in Europe and contains poison in root, stem, leaf, and seed. As a matter of fact our hemlock tree is not poisonous at all. Even to believe that the hemlock tree is noxious, in the sense that poison ivy and poison sumac are harmful, is nonsense. Indeed, the hemlock has been
. Bulletin (Pennsylvania Department of Forests and Waters), no. 51-55. Forests and forestry. .-'*â¢-â "â '-TrvBnnmam. ^"«*est V'f*^. Sunlight Filtering Through The Foliage Of Pines And Hemlocks Socrates drank was the infusion of an herb belonging to the Conitim genus, a plant related to our wild carrot that grows in Europe and contains poison in root, stem, leaf, and seed. As a matter of fact our hemlock tree is not poisonous at all. Even to believe that the hemlock tree is noxious, in the sense that poison ivy and poison sumac are harmful, is nonsense. Indeed, the hemlock has been highly valued for its medicinal properties, especially by the American Indians and the early settlers. Oil of hemlock, distilled from the leaves, was used medicinally for many vears. The dru- known as Canada pitch was extracted from the leaves and knots and made into plasters for external application to the body. The Indians boiled the bark of young hemlocks, pounded it to a paste, and niade poultices that had antiseptic properties, for sores and wounds. A kind of turpentine made from the hemlock pitch or resin was noted for Its healing qualities when rubbed on aching joints and muscles. A power tul astringent in fluid form is extracted from the hemlock bark. 18 REFORESTATION WITH HEMLOCK It used to be said of hemlocks that "They are like Indians, they wall not stand civilization," but this old saying no longer applies. In recent years hemlocks have been grown quite successfully in nurseries for ornamental planting, and foresters are now learning how to raise and transplant them tor reforestation purposes. A number of forest plantations of hemlocks have been established in Pennsylvania throughout those regions where the climate and soil are suited to its growt'h, though there is still much to be learned about planting hemlock for timber production, and its use is still in the experimental stage. They grow readily from seed if the seedlings are kept shaded. Where
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