William and Mary (nee Crage) Pool spent the decade from 1865 to 1875 in Madagascar as missionaries employed by the London Missionary Society. For amusement, Mrs Pool collected lichen and plant spec...

中文翻译：

---

Mary 和 William Pool 及其（主要是她的）马达加斯加地衣和植物收藏

威廉和玛丽 (nee Crage) Pool 从 1865 年到 1875 年在马达加斯加度过了十年，作为伦敦传教士协会雇用的传教士。为了消遣，池太太收集地衣和植物规格...