[f. JOINT sb. 3 + GRASS.] A local name for the herbs Horsetail (Equisetum), and Lady’s Bedstraw (Galium verum) (Britten and Holland); also, in southern U.S., the grass Paspalum distichum (Cent. Dict.).
1790. W. Marshall, Midl. Counties (1796), II. Gloss. (E. D. S.), Joint-grass, yellow bedstraw.
