Comparative observations were made on the morphology and anatomy of secretory cavities in stems of 14 genera, 23 species and one varieties by paraffin and thin section method.

• 摘要利用石蜡切片和薄切片方法对芸香科14属23种和1变种植物幼茎中分泌囊的分布和结构进行了比较研究。