Hello I wonder if anybody can help describing the way to color text labels in hclust? When the tree is complicated it is hard to see to what class belongs branches.... In heatmap.2 colsidecolor helps but is there way to color row or column labels as well? Thanks in advance for any help -- V. Krasikov Swammerdam Institute for Life Sciences Plant Pathology University of Amsterdam Kruislaan 318 1098SM Amsterdam Telephone: +31(0)20 5257839 Telefax: +31(0)20 5257934 E-mail: krasikov at science.uva.nl