[p. 215] quinces, pomegranate rind, hot water in which the vervains enumerated above have been boiled, powdered wine lees or myrtle leaves, bitter almonds.
But those which are heating are poultices made of meal, whether of wheat or spelt or barley or bitter vetches or darnel or millet or panic or lentil or bean or lupin or linseed or fenugreek, when one of these has been boiled and applied hot. All forms of meal poultices, however, are rendered more efficacious by cooking in mead instead of in water. Besides there are: cyprus or iris oil, marrow, cat's fat, olive oil, especially if it is old, and there has been added to the oil salt, soda, black cummin, pepper, cinquefoil.
Generally those which are powerful to repress inflammation, and cool, harden the tissues; those which are heating, disperse inflammation and soften, and this last property belongs especially to plasters of linseed or fenugreek seeds.
But as regards all these medicaments, whether used as simples or in mixtures, their uses by medical men vary, so that it is clear that each man follows his own ideas rather than what he has found to be true by actual fact.