In The Canterbury Tales by Geoffrey Chaucer he lmentions gillyflowers as a flavouring of ale in "The Tale of Sir Thopas"
"There spryngen herbes grete and smale, / The lycorys and the cetewale, / And many a clowe-gylofre; / And notemuge to putte in ale,"
clowe-gylofre translates as clove-gillyflower
Harvard's Geoffrey Chaucer Website.