“活化石”水杉的故事可以说是家喻户晓,人人皆知。但遗憾的是历史留下的纪录并不完整,有的也不准确,甚至错误。笔者收集了一千多篇有关文献(包括书信、手稿、中外文的原始文献,但不包括百科全书和专家传记等),信访了国内外几十位有关人员,走访了武汉、重庆、南京、北京等有关 The story of “living fossils” Metasequoia can be said to be well-known and well-known. However, it is a pity that the records left by history are not complete, and some are not accurate or even wrong. The author collected more than a thousand articles (including letters, manuscripts, original Chinese and foreign documents, but not including encyclopedias and expert biographies), petitioned dozens of people at home and abroad, visited Wuhan, Chongqing, Nanjing, Beijing and other related