Acetic Acid. Both dilute and strong solutions are used in testing for aleurone grains, cystoliths, and crystals of calcium oxalate.
Hydrochloric Acid is used in connection with phloroglucin as a test for lignin and as a test for calcium oxalate.
Ferric Chloride Solution is used as a test for tannin.
Sulphuric Acid is used as a test for calcium oxalate.
Tincture Alkana is used when freshly prepared by macerating the granulated root with alcohol and filtering, as a test for resin.
Sodium Hydroxide. A five per cent solution is used as a test for suberin and as a clearing agent.
Copper Ammonia is used as a test for cellulose.
Ammonical Solution of Potash is used as a test for fixed oils. The solution is a mixture of equal parts of a saturated solution of potassium hydroxide and stronger ammonia.
Oil of Cloves is used as a clearing fluid for sections preparatory to mounting in Canada balsam.
Canada Balsam is used as a permanent mounting medium for dehydrated specimens, and as a cement for ringing slides.