Contractions. - Diosc. Dio.

Nat. ord., Dioscobeaceae.

Synonyms. - D. paniculata, D. quinata.

Fig. - Rumpf. Aml., v., 162.

Hairy Yam.

Habitat. - A native of America, found in thickets from New England to Wisconsin, and in the Southern States.

Flowering time. - June.

Part employed. - The root.

Characters. - Leaves alternate, cordate, acuminate, nine-ribbed, sub-pubescent. Hoot long, branched, crooked, woody, white internally, light brown externally, and wrinkled longitudinally, with many long tough fibres, inodorous, and with a pleasantly bitter, sub-mucilaginous taste.

Time for collecting. - Before flowering, and when the stem dies down in autumn.

Preparations. - Tincture, corresponding in alcoholic strength with proof spirit. Triturations of Dioscoridin.

Reference to Horn. Proving. - Hale's New Remedies.

Proper forms for dispensing. - φ and lx, Tincture only. 1 and upwards, Tincture, Pilules, or Globules.