Phyllocactus is macsculine, Epiphyllum is neuter. -- Bill Shear Department of Biology Hampden-Sydney College Hampden-Sydney VA 23943 (804)223-6172 FAX (804)223-6374 email<wshear at email.hsc.edu> Moderating e-lists: Coleus at http://groups.yahoo.com/group/coleus Opiliones at http://groups.yahoo.com/group/opiliones Myriapod at http://groups.yahoo.com/group/myriapod