11. The parenchymatous thalli are generally covered with a mucilage layer, rather than cuticle. 12. Among Moraceae, Urticacae and Cecropiaceae, mucilage cells and latex production is common. 13. Psyllium is produced mainly for its mucilage content. 14. Plantago-seed mucilage is often referred to as husk, or psyllium husk. 15. Many hornworts develop internal mucilage -filled cavities when groups of cells break down. 16. This appears to include both mucilage and mucopolysaccharides. 17. It is a succulents ) and flax seeds especially are rich sources of mucilage . 18. Many algae have a sheath or envelope of mucilage outside the cell made of exopolysaccharides. 19. Evening primrose leaves contain flavonoids, mucilages , tannins, sugar, resin and phytosterols. 20. Mucilage from prickly pear may work as a natural, nontoxic dispersant for oil spills.
