Bur-Weed, the Greater, or Bur-Reed, Sparganium erecium, L. is an indigenous perennial, growing in ditches, marshes, and on the banks of rivers, where it flowers in July. - This plant, though refused by sheep and horses, is eagerly eaten by cattle, while in a green state; but, when dry, it produces a hard fodder. - Its flowers, while in full bloom, have by Bautsch been successfully employed in tanning.