David L. Hoffmann BSc Hons MNIMHPilosella officinarum Compositae Common name: Hawkweed Habitat: A common British and European plant growing in sandy soil. Part used: Aerial parts. Collection: Mouse Ear should be collected when in flower between May andJune. Constituents:...
Chondrus crispus Rhodophyta Common name: Carragheen, Carrageenan. Habitat: The Atlantic coast of Europe and North America. Part used: The dried thallus. It is a seaweed. Collection: It is collected from rocky coastlines around the North Atlantic...
Artemisia vulgaris Compositae Collection: The leaves and flowering stalks should be gathered just at blossoming time, which is between July and September. Part Used: Leaves or root. Constituents: Volatile oil, containing linlool, l, 8-cineole...
Piscidia erythrina Leguminosae Names: Fish Poison Tree. Habitat: W. Indies and S. America. Collection: The bark is collected in vertical strips from trees growing in the Caribbean, Mexica and Texas. Part Used: Stem bark. Constituents: Isoflavones;...
Verbascum thapsus Scrophulariaceae Names: Aarons Rod, Great Mullein. Habitat: Native to Britain, Europe and parts of Asia. Collection: The leaves are collected in mid-summer before they turn brown, dry in the shade. The flowers are gathered between...
Juniperus communis Cupressaceae Names: Habitat: Widely distributed throughout the world, particularly Europe. Collection: The ripe, unshrivelled berries should be collected in the autumn and dried slowly in the shade, to avoid losing the oil present...
Cola vera Part Used: Seed kernel. Constituents: Caffeine, with traces of theobromine Tannins and phenolics; d-catechin, l-epicatechin, kolatin, kolatein, kolanin and in the fresh nut, catechol and (-) epicatechol Miscellaneous; phlobaphene, an...
Lavandula officinalis Part Used: Flowers. Constituents: Volatile oil, containing linalyl acetate, with linalool, lavandulyl acetate, borneol, camphor, limonene, cadinene, caryophyllene, 4-butanolide, 5-pentyl-5-pentanolide. Coumarins; Umbelliferone...
Senecio aureus Compositae Names: Squaw Weed, Golden Senecio. Habitat: Europe and N. America. Collection: The herb should be collected just before the small flowersopen in the summer. Part Used: Dried aerial parts. Never use the fresh plant...
Tilia europea Tiliaceae Names: Lime Blossoms, Linden flowers, Tilia. Habitat: Europe, including Britain. Collection: The flowers should be gathered immediately after flowering in the midsummer. They should be collected on a dry day and dried...
