The Proper URL for the Root Biology and Mycorrhiza Group is http://www.uoguelph.ca/CBS/Botany/roots.htm -- Ken Ursic <KURSIC at UOGUELPH.CA> Cliff Ecology Research Group Dept. of Botany, University of Guelph Guelph, Ontario, CANADA http://www.uoguelph.ca/CBS/Botany/index.htm