| Title | Woad |
| Origtitle | Woad-Waxen |
| Caption | branch from the base, not thorny |
| Source | Illustrated Flora of the Northern United States. Canada Vol II Portulacaceae to Menyanthaceae page 271 |
| Type | drawing |
| Origin | book |
Either the plant Isatis tinctoria or the blue dye made using its leaves; less likely, wild woad (Reseda Lutcola). Very important for the 16th-century English economy, based on cloth-making.