Lavender Flowers Select Whole, Lavendula officinalis the fragrant flowers of Lavender are used in the preparation of many herbal medicines. Traditionally, herbalists used Lavender for a variety of conditions of the nervous system, including depression and fatigue. It is common to scent bath water with the leaves & flowers of this aromatic plant. Before World War II, Lavender was used as an antiseptic dressing for wounds, and as a method to get rid of parasites. It is also an ingredient in sachets, soaps, bath teas, dream pillows and washbags to reduce nervous tension, depression and fatigue.