‘Green’ notes – the leaves of a plant (like violet leaf), herbs, fresh-cut grass, mosses – and in particular a note called galbanum, a fragrant gum resin – can almost ‘cool’ a floral fragrance, adding freshness but also sometimes an intriguing depth. The ‘greens’ are fresher and sharper than most traditional florals: sometimes, they may be cleverly structured by perfumers to have a sporty and outdoorsy