Dr Kate Strasdin on Twitter: "An exuberance of flowers that blur the boundaries, where does the dress end and the coat begin? #ArnoldScaasi applied blooms in three dimensional splendour, overlapping the edges. It is an extravagant ensemble that heralds summer colour, #1960s @mfaboston #fashionhistory… https://t.co/coZjYGG13Q"