A. Abrot'anum, Southern-wood, Old Man. -- Asia, Europe; hairy, segments of the pinnatifid leaves capillaceous, lemon odor. A. Vulga'ris, Mugwort, Africa, Europe, spontaneous in United States; stem purple; epilepsy, amenorrhea. A. gnaphalo'des (A. Ludovicia'na var. gnaphalo'des), Western Mugwort, Mich. To Oregon; febrifuge. A. Abyssin'ica, Abyssinia; has woolly involucre, whitish florets; aromatic odor.