I would like to suggest that herbalists shops be able to purchase creature dropped herbs, even at a quarter value of what you buy it at. It would be nice to have somewhere to unload these when the bins (or benches) are full from donated herbs rather than just tossing them in the barrel. We already have this for alchemical components so I don't see why the Herbalists wouldn't want to buy up some cheap stock to resell.
-Pergourd's Player.