| 1. | the betony, Stachys officinalis. |
| 2. | a hairy lousewort, Pedicularis canadensis, native to eastern North America, having deeply lobed leaves and a dense cluster of yellow or red tubular flowers. |
louse·wort  (lous'wûrt', -wôrt')  n. Any of numerous plants of the genus Pedicularis, having clusters of irregular, variously colored flowers. Also called wood betony. [From the belief that sheep feeding on it were prone to lice.] |
| wood betony n. See lousewort. |