Labidlw. THORNY MINT. Ten der annual, with the hahit of Lamium. its chief inter est is botanical, the nearest relative of the genus being the Brazilian genus Glechon. ()nly two species known. Prop. by seeds in spring under glass. ACANTHOMINTHA ilicilolla, Gray. Height 6 in.: lvs. petioled, ovate, bluntly toothed: fls. 3-8 in a whorl, chiefly purple, with yellow and white marks. Calif. B.M. 6750. Int. 1891. -Less desirable than Lamium, which see.