ASTRAGALUS n.
A genus of papilionaceous plants, of the tribe Galegeæ, containing numerous species, two of which are called, in English, milk vetch and licorice vetch. Gum tragacanth is obtained from different oriental species, particularly the A. gummifer and A. verus.
BIRD'S-FOOT n.
A papilionaceous plant, the Ornithopus, having a curved, cylindrical pod tipped with a short, clawlike point. Bird's-foot trefoil. (Bot.) (a) A genus of plants (Lotus) with clawlike pods. L. corniculatas, with yellow flowers, is very common in Great Britain.