darnel n. (Bot.) Any grass of the genus Lolium, esp. the Lolium temulentum (bearded darnel), the grains of which have been reputed poisonous. Other species, as Lolium perenne (rye grass or ray grass), and its variety Lolium Italicum (Italian rye grass), are highly esteemed for pasture and for making hay. Note: Under darnel our early herbalists comprehended all kinds of cornfield weeds.
... food were loaded with it. Allspice, juniper, resin, apples, bread-crumbs, sage, lavender, gentian, cinnamon, and laurel were each thrown into it. The English sugared it, and the Germans salted it, and at times they even went so far as to put darnel into it, at the risk ... — Manners, Custom and Dress During the Middle Ages and During the Renaissance Period • Paul Lacroix