Patricia,
I was only suggesting that 'Madame Damazin' should be listed as a synonym for 'Madame Damaizin' because the incorrect spelling did get around.

The Gardeners' Monthly and Horticulturist - Volume 3 - Page 102 (1861)
Madame Damazin, a fine vigorous grower, color a salmon-flesh, large, full and of fine form, beautiful.

THE JOURNAL OF HORTICULTURE, COTTAGE GARDENER, COUNTRY GENTLEMAN p. 487. (Dec 22 1870)
... the list above alluded to are Gloire de Dijon, Abricote, Vicomtesse de Cazes, Devoniensis, Adam, Boule d'Or, Madame Levet, Jaune d'Or, Belle Lyonnaise, Adrienne Christophle, Montplaisir, and Madame Damazin.

The Florist, Fruitist, and Garden Miscellany - Volumes 14-15 - Page 340 (1860)
In addition to these, Madame Falcot, Homer, Madame Damazin, Madame Halphin, Madame William, President, ...

The Journal of the Royal Hortcultural Society - Page xxxix (1866)
Mr. William Paul had Madame Alfred Rouge- mont, a fine light-coloured Hybrid Perpetual ; Madame Clemence ... Madame Willermoz, Charles Lawson, Lord Raglan, Anna Alexieff, Madame Damazin, John Hopper, Madame Julie Daran, and ...

Journal of Horticulture and Practical Gardening - Volume 1 - Page 390 (1881)
28. Madame Damazin