Item if the blood be thin, it should be thickened by these: plantago, poppy seed, and that of coltsfoot. If thick, let it be thinned by endives, scariole, chicory, lactuca (i.e. lettuce) if the sick man cannot sleep, and burnt ivory turnings. Item the following thicken the blood: diatragacanthum55,
p.39gummi arabicum, berberis, sorrel, coriandrum, and sugar of roses. Item these are the comfortatives: diatrionsantalon; and if he cannot sleep, diapapaver; and diatragacanthum frigidum if he have difficulty in drawing breath, nevertheless it is advantageous (?).