Old version at http://www.csclub.uwaterloo.ca/u/bwross/flower

Modern & bit easier to read at http://aggie-horticulture.tamu.edu/plantanswers/publications/flowers/flowers.html

Both give yellow roses as a decrease of love ...when someone dies, surely love has decreased ? what do think?
My Mother's favorite was yellow roses, she didn't care what they meant she just loved them.