Explanatory notes
… camelina, etc., straw (or panicles), or fibres of aloe, coco (coir), palm (piassava, in particular), etc., or … or springy fibres or filaments mounted in a broom or brush stock or back, or, as in the case of paint brushes, of a … vegetable origin : couch‑grass roots, istle (or Tampico), coco (coir) or piassava fibres, esparto grass, sorghum …