Metha cris'pa, Crisped-leaved, Cross or Curled Mint. -- This is the cultivated form of M. Spicata (viridis), known also as M. aquat'ica var. crispa, leaves pubescent, cordate pointed, crisped; M. Sati'va, M. Arven'sis, and M. Rotundifo'lia, are under cultivation and sometimes produce similar crisped leaves.