The histochemical allocation of the coumarin in the root, the blade and the petiole of the Glehnia littoralis was studied by using the fluorescent microscopy and the light microscopy.

• 摘要利用冷冻切片技术和常规石蜡制片技术，分别通过荧光显微镜和光学显微镜对珊瑚菜的根、叶片、叶柄等部位中的香豆素进行了组织化学定位。