Page:Floras Lexicon-1840.djvu/42



SPEN TREE. . Class 12,. Order:. Popular tradition states that the cross was made from this tree, and that since the Passion of our Saviour, the leaves have never known rest. The vibratory motion of the leaves is indeed curious, and never fails to attract the attention of the observer. It arises from the length and slenderness of the rootstalks to which they are attached.