Thesium paniculatum L.

Stems slender, flexuous, terete, glabrous; branches very slender, spreading almost at right angles, lax, glabrous; leaves usually few, rarely rather numerous, linear, grooved on the upper surface, acute, 1/4-3/4 in. long, glabrous; flowers arranged in lax dichotomously branched cymes, pedicellate; bracts free from the peduncle, similar to the leaves but shorter; peduncle slender; bracteoles several at the apex of the peduncle, subulate-lanceolate, with blackish acute tips, mostly shorter than the flowers; perianth 3/4 lin. long, with conspicuous external ovoid glands between the segments; segments reflexed, 1/2 lin. long, flat, with a woolly beard; anthers included in the perianth-tube, 1/6 lin. long; style more or less sessile; fruits ellipsoid, 2 lin. long, prominently 10-nerved, finely reticulate between the nerves.