Summer is a season of profuse plant material! This year, like many past years, I have a CSA share (Community Shared Agriculture) from the local urban farm, Greensgrow, in Philadelphia. Not only is the food amazing, but it also provides bounty for PAPERMAKING. For instance, I had two weeks worth of leeks in July. Eight large leek tops, which are of course too fibrous to ingest, BUT, turn that into paper. Well, now you’re talking…