Sentence:  "The Colonial Garden" contains plants brought from the Old World by colonists, as well as native plants that were used in colonial times. Planted here are yarrow ("Achillea millefolium"), <WSD>chicory</WSD> ("Cichorium intybus"), bee balm ("Monarda didyma"), and sorrel ("Rumex acetosa"). 
Meaning of the word marked with <WSD> tags:  The common chicory ("Cichorium intybus"), the source of Belgian endive, radicchio, and sugarloaf.