Wall to wall with teak-wood canisters and jars bearing Latin inscriptions, fragant with the perfume of seeds, flowers, and medicinal potions, Jacob Hooy & Co. has been operating here beside the Nieuwmarkt since 1846. Gold-lettered wooden drawers, barrels, and bins contain not just spices and herbs but also a daunting array of dropjes (hard candies and medicinal drops) and teas.