LABIATE TRIBE. 



489 



pointed segments, and by the prickly calyx-teeth of its 

 flowers, which grow in whorls. When not in flower it 

 resembles Mugwort (Artemisia vulgdris) in habit. The 



LEONtfnus CARDfACA (Common Motherwort). 



stems are 2 3 feet high, branched, principally below; 

 the upper- leaves are very narrow and entire ; the flowers 

 light purple. Fl. August. Perennial. 



