发菜，又名头发菜、念珠藻，是一种野生藻类植物。新鲜的发菜呈墨绿色，晒干后色泽乌黑，细长如丝，蓬松蜷曲，酷似女人头发。据说清代戏曲理论家兼美食家李渔，竟也曾将发菜误为头发。一次他在陕西的官宦人家作客，见炕上有一卷乱发，正欲扔掉，婢女告诉他，那是主人最爱吃的? Hair vegetables, also known as hair dishes, nostalgia, is a kind of wild algae. Fresh hairy dark green, dark color after drying, slender silky, fluffy, resembling a woman’s hair. It is said that the Qing Dynasty opera theorist and foodie Li Yu, actually had hair vegetables mistaken for hair. Once he Guanzai people in Shaanxi guest, see the kang on a roll of hair, just want to throw away, niece told him that it is the owner favorite?