St. Germain has come marching into Belltown. Not the café from Madison Park, which closed earlier this year, but a French artisanal liqueur subtitled "Délice de Sureau," distilled from freshly picked elderflower blossoms. (The website, stgermain.fr, tells the story, probably aprocryphal, of a cohort of old men on bicycles gathering the flowers.) Many drinks are based on the elder, a common name for shrubs that grow in northern Europe, most with fragrant blossoms. Steep them......