In a tattered medical reference book from the turn of the century I found these 16 botanical plates illustrating the most useful plants for the doctor out in the field. Saffron, Mustard, Hedge-mustard, and Hedge-nettle.

Fennel, Pansy, and Weed Sorrel, and Cathartic Ramne.

Lime Tree, Red-berried Trailing Arbutus, Golden Thistle, Stavesacre or Lousewort.

Henbane, Mountain-balm or Calamint, Sage or Salvia, and Mustard.

Common Thorn-apple,  Asparagus, Marshmallow, and Hops.

Horse Radish, Garlic, Meadow Saffron, and Common Scurvy Grass.

Common White Hoarhound, Colt’s Foot, Currants and Common Juniper.

Plaintain, Poppy, Pennyroyal, and Hellebore.

Peony, Perforated St. John’s Wort, Wolf’s Bane, and Lily of the Valley.

Carrot, Horse Chestnut, Common Flax, Cathartic, and Worm-wood.

Licorice, Iris, Dandelion, and Common Bramble.

Great Mullein, Rosemary, Nettle, and Belladonna.

Parsley, Valerian, Digitalis or Foxglove, and Crow-feet.

Hemlock, Barberry, Elder, and Oak Tree.

Bitter-sweet Nightshade, Common Camomile, and Geranium.

Common Dill, Peppermint, Kalmia Latifolia (Laurel) and Common Black Briony.