"Slimy when wet but, once dry, becomes hard and crackly."

Seaweed is a general term used to describe various types of multicelluar algae that resemble weeds.[1] Seaweed grew on the rocks surrounding Hut-on-the-Rock, and the smell of it was so strong it pervaded the hut itself.[2]


Notes and references

  1. WP favicon Seaweed on Wikipedia
  2. Harry Potter and the Philosopher's Stone, Chapter 3 (The Letters from No One)