This link is for a Hawthorn Jelly recipe. While the berries here on campus probably shouldn’t be used for this due to legal issues and unknown class="GINGER_SOFATWARE_noSuggestion GINGER_SOFATWARE_correct">caretaking practices, another source of Hawthorn berries could easily be found.

http://www.eatweeds.co.uk/hawthorn-jelly-recipe

Here is an interesting article about the Glastonbury Thorn

http://www.guardian.co.uk/environment/2010/dec/09/glastonbury-mourns-felling-thorn-tree