But it does not appear that the antisiphylitic powers of Lobelia have been confirmed by any instances of European practice. Woodville's Med. Bot. p. 251. LYTHRUM Salicaria. WILLOW HERB. The Herb. D. This is used internally in dropsies, obstinate gleets, and leucorrhoea. Similar Plants. Epilobium palustre; Epilob. angustifolium; Epilob. hirsutum. MALVA sylvestris. COMMON MALLOW. Herb.