Sentence:  It is known that the recipes of therapeutics and "materia medica" have been preserved in a parallel way by practice, which has never ceased, in the <WSD>Receptaries</WSD> and other Latin treatises; these treatises, translated from the Greek during the period of the Roman Empire, and compiled in the first and second centuries, passed from hand to hand, and were copied frequently during the earlier portions of the Middle Ages. 
Meaning of the word marked with <WSD> tags:  A book of pharmacological recipes, incantations or charms.