Sentence:  A piece of Touch-wood (which is a kind of "Jews-ear", or Mushrom, growing here in "England" also, on several sorts of Trees, such as Elders, Maples, Willows, &c. and is commonly call'd by the name of <WSD>"Spunk</WSD>" […]). 
Meaning of the word marked with <WSD> tags:  Touchwood; tinder.