"Ps.-Apuleius, Dioscorides, Herbals (extracts); De virtutibus bestiarum in arte medicinae, in Latin and English England, Bury St. Edmunds; 11th century, late"
http://www.bodley.ox.ac.uk/dept/scwmss/wmss/medieval/jpegs/bodl/1000/17461201.jpg
Dioscorides classified plants as "as aromatic, culinary, and medicinal".
I wonder how the plants in the VMS were classified (perhaps toxic, culinary, and medicinal)?