Looking up Philippa Pirette, I am told that Walter Branchi's nursery closed in 1997. Looking up another of his roses, I am told the nursery closed in 1977. But I conmtinued because I am using its 2000-2001 catalogue. Something wrong here. Thanks for all the help.
The name for Walter Branchi's nursery was erroneously changed to "Walter Branchi - nursery closed" so the introduction information for different roses appeared to indicate when the nursery closed instead of when the rose was introduced. We have corrected this error.