Jack and Jill (nursery rhyme) and brown paper were a home cure used as a method to draw out bruises on the body. Jack is the most common name used in English-language nursery rhymes and represented an archetypal Everyman hero by the 18th century, while Jill or Gill had come to mean a young girl or a sweetheart by the end of the Middle Ages. However, the woodcut that accompanied the first recorded version of the rhyme showed two boys (not a boy and a girl) and used the spelling Gill not Jill. The true origin of the rhyme is unknown, but there are several
S. nigra S. nigra S. nigra is an abbreviation of a species name. In binomial nomenclature the name of a species is always the name of the genus to which the species belongs, followed by the species name (also called the species epithet). In "S. nigra" the genus name has been abbreviated to "S." and the species has been spelled out in full. In a document that uses this abbreviation it should always be clear from the context which genus name has been abbreviated. The Latin species epithet "nigra" means "black". Some of the most common uses of "S. nigra" are: There