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 Dr. Withering details his experience as well as that of others with the drug in some hundreds of cases. He noted its action on the heart and as a diuretic. He had also ascertained that it was prescribed in family recipes in Yorkshire. An article in Parkinson's "Herbal," written he believed by Mr. Saunders, "an apothecary of great reputation at Worcester," declared it to be of great value in consumptive cases. It had been admitted into the Edinburgh Pharmacopœia 1783, but many practitioners were giving it in such dangerous doses that he feared its reputation would not last long.

Dr. Withering died in 1799 at the age of fifty-eight. A foxglove is carved on his monument in Edgbaston Old Church.

Came into fame in Europe in the early years of syphilis. The story told about it (perhaps it was only a clever advertisement, though it is related without any question by Leclerc) was that a certain Spaniard named Gonsalvo Ferrand having taken the disease and finding no cure for it resolved to go into the countries from which the infection had come, confident that he would there find the remedy which the natives themselves employed. He went to St. Domingo, discovered that the wood there called Huaiacon was regarded as a specific, took it himself, and was cured. This was in 1508. Whatever may be the truth of this history it seems that Ferrand was subsequently a seller of guaiacum wood (according to Freind), at seven gold crowns per pound (say 35s.), and accumulated a great fortune. Enormous popularity accrued to guaiacum by the book which Ulrich von Hutten, the German poet and reformer,