WED 2 Jun 1034a Friends: We have an extra set of Systematic Botany, Vols 1-18, COMPLETE, except for Vol 6,3 Vol 11,3 Vol 15,4 Vol 16,4 Vol 18,2-4 Should anyone be interested in a trade, please get in touch with me ASAP. Thanks, JOHN NELSON, USCH nelson at sc.edu