#4. Field Mustard
Brassica campestris
Mustard Family
Fields, roadsides
1. Toothed, clasping leaves.
2. Small 4-petaled yellow flowers.
3. Relative or cabbage, broccoli, turnip, cauliflower, radish.
1. Greens and flowers used in salads.
2. Seeds ground for commercial mustard.
3. Used as packs to draw fluids from infections.