东坡有故人巢元修菜诗云,每读“豆荚圆而小,槐芽细而丰”之句,未尝不实搜畦垄间,必求其是。时询诸老圃,亦罕能道者。一日,永嘉郑文干自蜀归,过梅边,有叩之,答曰:“蚕豆也,即豌豆也。蜀人谓之‘巢菜’。...