Worth reminding ourselves, of course, that amongst plants speciation by hybridisation is considered a perfectly respectable process (and one practised by all the best famillies!). Rob Krejzl, Tasmania ("Nature conceives of innumerable things of which those known to us are fewer than those not known and this is so because nature exceeds understanding" Fra Mauro) _________________________________________________________________ Get Extra Storage in 10MB, 25MB, 50MB and 100MB options now! Go to http://join.msn.com//…