《太平广记·卷二百二十·医三》
老太太说：这是胎生七寸蛇玩耍的地方，它的毒汁射在林间的树木上，摸着树的人立刻和树一样，也中上蛇的毒汁，可以遭至死亡。
妪曰：此是胎生七寸蛇戏处，喷毒在树木间。扪者树枝立合，致卒。
The old lady said: This is the place where the seven-inch fetal snake played, and its venom was shot on the trees in the forest. People who touched the trees were poisoned like the trees, and they could die.