Sentence:  In Martigny I first observed the custom, common throughout many parts of Switzerland, of hanging <WSD>mistletoes</WSD> over the house doors; a superstition for which I have not been able to get any reason rendered. 
Meaning of the word marked with <WSD> tags:  Any of several hemiparasitic evergreen plants of the order Santalales with white berries that grow in the crowns of apple trees, oaks, and other trees, such as the European mistletoe ("Viscum album") and (American mistletoe) or (eastern mistletoe) ((noshow=1)).