Sentence:  A singular vegetable production met with in the deserts, concerning which various fables have been related, is a kind of fern called the <WSD>barometz</WSD>, or Scythian lamb; the latter name being given to it from its woolly body, attached to the ground by a long slender stalk, affording a distant resemeblance to a lamb grazing. 
Meaning of the word marked with <WSD> tags:  The woolly fern, (noshow=1), whose inverted roots are thought to be the basis for the legend.