Thesium spinulosum A.Dc.

A small slender plant about 5 in. high, much-branched from the base; branches ascending or spreading, slender, sharply angular, glabrous; leaves subacicular, slightly angular when dry, acute or subacute, 2 1/2-6 lin. long, fleshy, glabrous; flowers arranged in axillary flexuous racemes; bracts subulate, very acute, about 1 1/4 lin. long, glabrous, nearly as long as the flower; bracteoles 2, arising on each side of the bract, about half as long as the flower, subulate and very acute; flower shortly pedicellate, about 1 1/3 lin. long including the pedicel; perianth 3/4 lin. long, with conspicuous external glands; segments triangular, slightly hooded, 1/3 lin. long, glabrous; anthers exserted, 1/8 lin. long; style 1/8-1/7 lin. long; fruits ellipsoid, stipitate, 2 lin. long, prominently 10-ribbed, prominently reticulate between the ribs, glabrous.