Added more to the USDisp on my main site.

I just uploaded a bit over 200 new .html pages of the US Dispensatory; there's new things both in the plants and in the preparations.

With that update comes a plant name database update: about 320 more plants, about 680 more URLs included, about 1214 more plant names, and a few corrections.

I've also added Boericke's tinctures - thanks Paul, for that file!