Annual, diffuse, much-branched, aspero-pubescent, glandular; lower leaves bipinnatisect, the lobes multifid, divaricate, narrow linear; upper ear-clasping at base, incisopinnatifid, with entire or toothed lobes; heads few, on long, more or less scaly pedicels; inv. of 12-15, scabrous, linear-acuminate scales, calycled with few or several subulate, often ciliate bracteoles; rays several, spreading, scarcely equalling the inv., 4-nerved; achenes striate, the striæ minutely puberulous. Stems many from the base, decumbent or ascending, 6-8 inches long, branched. Leaves 1-1 1/2 inch long; the lobes 1/2 line wide. Rays pale yellow. Thunberg's original specimen so nearly accords with Drège's that I venture to refer S. chamæmelifolius, DC. to the older species; the imperfect specimen of it (in Hb. Sd.) which alone I have seen, chiefly differs in its less compound leaves and more copious calycle-bracts.
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