Abstracts received so far:

1. MCCOURT, RICHARD M.*, EARLE E. SPAMER, AND ALFRED E. SCHUYLER. - The Herbarium of the Lewis and Clark Expedition: Saving an American Treasure.
2. TOUWAIDE, ALAIN. - From Phylo-code vs. Linnaeus, back to Dioscorides vs. Theophrastus. A study in the transformation of systems of plant classification.