Manna quidem est ros cadens super lapidem aut arborem: i.e. manna is ros or a dew which falls, under the appearance of honey, on stones, or trees. It becomes sweet, congeals, and dries like gum.
Nature: it is medium between hot and cold. It purges the abdomen, wipes out the acuteness of choler fever according to quality and is suitable for sufferers from choler. The dosage is the same as for cassia fistola.