Thesium pungens A.W.Hill

A much-brancbed shrub, about 2 ft. high; branches crowded, glaucous-grey or greenish when dry, with rather short internodes, glabrous; leaves spreading at right angles, pungent, rigidly subulate with very acute spinous tips, 2-3 1/2 lin. long, subterete, glaucous-grey with yellowish tips; flowers solitary in the axils of the bracts; bracts similar to the leaves but a little shorter; bracteoles very small at the base of the short pedicel; perianth 3/4-1 1/4 lin. long, with conspicuous external glands; segments triangular-ovate, 1/2-3/4 lin. long, slightly hooded, flat, with flaps at the side; anthers exserted, 1/8-1/4 lin. long; disc conspicuous; style 1/4 lin. long; fruits ellipsoid-globose, 1 1/3 lin. long, 10-ribbed, slightly reticulate between the ribs.