This section is from the book "British Wild Flowers In The Four Seasons", by Thomas Moore. Also available from Amazon: British Wild Flowers.
M. Athamanticum: stems 1-2 feet high, leaves mostly radical, tufted, bipinnate, their segments deeply cut into numerous very fine, short, bristle-like lobes, and appearing whorled or clustered along the common stalk; the stems bear a few smaller, less divided leaves; umbels terminal, of 10-15 rays, with one or two narrow bracts to the general involucre, and a small number of short, slender bracts, to the partial one, - Bald-money. - Mountain pastures. Fl. June, July.
 
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