original link:
http://Apiaceae.github.io/blog/2009/04/13/%E6%96%B0%E4%B9%A6-%E7%89%A9%E7%A7%8D%E9%97%AE%E9%A2%98%E7%9A%84%E8%B7%A8%E5%AD%A6%E7%A7%91%E7%A0%94%E7%A9%B6/
written by Hooker
posted at http://Apiaceae.github.io
新书-物种问题的跨学科研究