Mistletoe the leaves and berries of the plant, with teas prepared from the plant being particularly dangerous. While adults may suffer little effect, these are more pronounced in small children and in animals. There are 1500 species of Mistletoe, varying widely in toxicity; the European Mistletoe ("Viscum Album") is more toxic than the American Mistletoe ("Phoradendron serotinum"), though concerns regarding toxicity are more prevalent in the US. Mistletoe has been used historically in medicine for its supposed value in treating arthritis, high blood pressure, epilepsy and infertility: Conversely, it can cause vasoconstriction and bradycardia, and is also used as an illegal
Common name had not the author introduced into it so many new English names, that are to be found in no dictionary, and that do not preclude the necessity of learning with what Latin names they are synonymous. A tolerable idea may be given of the danger of too great a multiplicity of vulgar names, by imagining what geography would be, or, for instance, the Post-office administration, supposing every town had a totally different name in every language. Various bodies and the authors of many technical and semi-technical books do not simply adapt existing common names for various organisms; they try to