Sentence:  There are two kinds of the <WSD>yucca</WSD>, or manioc root,—the <WSD>"yucca</WSD> dulce" and the <WSD>"yucca</WSD> amarga",—the sweet and bitter. One may be eaten raw without danger. The other, which closely resembles it, if eaten raw, would produce almost instant death, as its juice is one of the deadliest of vegetable poisons. 
Meaning of the word marked with <WSD> tags:  The yuca (cassava).