车前子与其掺伪品荆芥子的鉴别余正君最近，笔者在进购中药时，发现市场上的车前子中掺有大量的荆芥子。两者是不同科属草本植物的种子，车前子为车前科植物车前的种子，是利水渗湿的常用药；荆芥子为唇形科植物荆芥的种子，不作药用。两者外观乍看非常相象，不易识别，故... The identification of Psyllium and its adulterated Nepeta is more recently. The author found that in the purchase of traditional Chinese medicine, a large amount of nepeta was added to the psyllium from the market. The two are the seeds of different families of herbaceous plants. The plantago is the seed of the plant in front of the plant of the psyllium family and is a commonly used drug for diuresis. The catmint is the seed of the Nepeta plant in the Labiatae family and is not used for medicinal purposes. Both look very similar at first glance, not easy to identify, so...