Flos (pl. flores) (Lat.: ‘flower’; Fr. fleuretis)
- Mary Berry
A species of vocal embellishment. Jerome of Moravia (late 13th century) gave this definition: ‘est autem flos armonicus decora vocis sive soni celerrima procellarisque vibratio’ – an ‘ornamental vibration of the voice, or a very rapid rippling of the sound’ – that is, a shake. He described three types of ‘flowers’: long, open and sudden. ‘Long flowers’ resemble a slow vibrato, taking the note a semitone above the note to be graced. ‘Open flowers’ are slow, taking the tone below. ‘Sudden flowers’ begin slowly and gradually gather speed, using the interval of a semitone. Describing these ornaments in connection with plainchant, the author warned against applying them indiscriminately. Five notes are singled out for embellishment: the first, last and penultimate notes to be graced with long flowers, the second note of the first syllable with open flowers, and the long plica with sudden flowers. Singers may insert several short notes between this ornamental plica and the next note ‘to make the melody more elegant’....