Contractions. - Cepa. A.-cp.

The Common Onion. Nat. ord., Liliaceae.

For. names: German, Zwiebel; French, Oignon; Italian,

Cipolla; Spanish, Cebolla.

Part employed. - The mature bulb.

Characters. - Dr. Hering, who proved this, says nothing about the variety of the cultivated Onion which he used, but recommends "the red, largest, and strongest to be selected, and, if possible, not raised from ground which has been cultivated for centuries."

Time for collecting. - Autumn.

Preparation. - Tincture, 1 in 20, corresponding in alcoholic strength with proof spirit.

Reference to Hom. Proving. - Hering's Amer. Arzneipr.

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

Average loss of moisture, 85 per cent.