Parchment has been made for centuries, and is usually calf, goat, or sheep skin. The term vellum from the French veau refers to a parchment made from calf skin. The manufacture of parchment is quite involved. … Parchment paper is made from cellulose fibers prepared from fir trees or plants such as cotton or flax.
Similarly one may ask, how do you make stained parchment?
Pour the two cups of water into a bowl, and bring it to a boil. Once the water is boiling, add between three and five tea bags. The more bags you add, the darker the stain will be. Let them steep in the water sometime between five and twenty minutes.