Useful tidbits, linked to the plant entries.

• The main use of wormwood is as a warm fomentation for sprains, bruises and local inflammation.
• Add a few drops of anise essential oil to yarrow preparations to make them more palatable.
• Try a distillate of Alnus bark for your hay fever - and be aware that a decoction of Alnus bark stains the skin.
• Use a poultice of mallows on bruises, swellings, scalds, or wounds.
  Use mallows internally for all kinds of kidney problems.
  Use a tincture of Malva rotundifolia flowers as an acid/alkalic indicator.
• Mexicans used Anagallis arvensis instead of Saponaria officinalis.
• Use tincture of Aralia spinosa berries for toothache.
• Roasted oatmeal is very good for nausea.
• Use Berberis aquifolium for severe muscle pains.
• Roast coffee leaf and use that as a tea.
• Use hemp to get rid of your bedbugs, and to cure your opium habit. (Hemp is as illegal as opium in most places; I do not endorse the use of either. -Henriette)
• Salt and Capsicum in water and vinegar is effective against nausea.
  Concentrated tincture of Capsicum is good for chilblains.
• Use chestnut leaves for whooping cough (This is not the same plant as horse chestnut. -Henriette).
• Ceanothus root is good for your lung grunge.
  Tincture the leaf for hepatic and splenic problems.
• Ipecac soothes irritation from using your voice too much.
• A tincture of Chelidonium root is superior to arnica as a vulnerary.
• Use a tincture of cinnamon oil for post-partum and uterine hemorrhages.
• Preserve fresh lemon juice by covering it with almond oil.
  Use lemon juice to stop your hiccoughs.
• Try some Clematis virginiana if you don't have any Pulsatilla.
• Use the flowers of Centaurea cyanus / Centaurea calcitrapa like you would use Cnicus.
• Use leaf and flower of Consolida regalis to calm nausea.
• Use Cynoglossum as a poultice for footsores and bruises.
• Use Rudbeckia laciniata (whole herb) for urinary tract problems.
• Use Galium verum (and some other Galiums) like you use Galium aparine.
• Tincture of Gentiana loses its bitterness (and thus its value) over time.
• Use the leaf of cotton for its mucilage.
• Hypericum tincture, used externally, is almost as good as Arnica.
• Hyssop leaves are very useful on bruises.
• Use isinglass for incontinence. (Perhaps normal gelatin could be used as well? -Henriette)
• Try Iris in goitre.
• Use avocado seeds externally for rheumatism.
• Try tincture of Tiger lily for the nausea of pregnancy
  Try oil of Meadow lily for otitis, and externally as a liniment for local inflammations; it's fragrant, too.
• Try linseed oil if you have piles.
• Lobelia: find the discrepancy in the History.
• Use small doses of Matricaria to get maximum calming effect.
• Use Melilotus to repel moths.
  Try Melilotus in painful disorders, e.g. dysmenorrhoea, rheumatism, neuralgia...
• Use menthol for your itch (...no, not -that- itch. -Henriette).
  Try menthol for your hay fever or head cold.
• Use the Monardas like you would thyme - e.g. for nausea.
• An infusion of Myrica root bark is astringent, a tincture stimulant.
• Chew on catnip leaves for toothache.
  Use juiced catnip herb for amenorrhoea.
  Use catnip leaves externally for pain and inflammation.
• Use Oenothera biennis as a salve, oil, or decoction for the milk rash (and similar skin problems) of small kids.
• Chew on pomegranate flowers to get violet-red saliva.
  Chew pomegranate bark to get yellow saliva.
• Use a poultice of fresh chickweed leaf on long-standing ulcerated wounds.
• Use recently dried Stillingia root for laryngitis and bronchitis.
• Try the spiced prune brandy for irregular menstruation.
• Use the bark of Salix nigra for poison ivy.
  The fresh buds of Salix nigra are a powerful anaphrodisiac.
• Try saw palmetto for your cough.
• Try Thuja in bedwetting. Try it also in the dribbling of prostatic hypertrophy. Or in the post-menopausal dribbles.
• A small quantity of thymol will keep milk from going sour.

King's American Dispensatory, 1898, was written by Harvey Wickes Felter, M.D., and John Uri Lloyd, Phr. M., Ph. D.