Explanatory notes
… tanning extracts. The materials may be untreated, cleaned, dried, ground or powdered (whether or not compressed). … graminaceous plant of the genus Andropogon , which grows in dry, sandy soil. This plant, sometimes known as … mukorossi, S. trifoliatus, S. saponaria, S. marginatus, S. drummondii). A layer of vegetable materials (of the types …