This section is from the book "The Gardener's Monthly And Horticulturist V28", by Thomas Meehan. See also: Four-Season Harvest: Organic Vegetables from Your Home Garden All Year Long.
The first double Bou-vardia (Alfred Neuner) sent out in the spring of 1881, created some amount of surprise, many being inclined to think that the description of it was exaggerated, but when it flowered in this country and was found to more than fulfil the expectations formed of it, there was directly a great demand for it, and before long it was extensively cultivated. The next addition to double kinds was President Garfield, a pale pink-flowered sort, but it never became such a favorite as the white-blossomed kind. Another American-raised variety is Thomas Meehan, bright vermilion-red, but the blooms are small and not so double as those of the two preceding. It is but little grown, and ap-appears never likely to advance much in popular favor. The next double Bouvardias were sent out by M. Victor Lemoine, of Nancy, and announced by him to be the result of a cross between the bright vermilion-colored B. leiantha and Alfred Neuner. The sorts were V. Lemoine, a vigorous growing kind with bright red blossoms, Sang Lorraine with more of a scarlet shade, and Triomphe de Nancy, a salmon-red kind. These are all free growing sorts, but as far as my experience extends they do not retain their foliage quite so well during winter as the older varieties.
Another Continental form is Hogarthi flore-plena, of which, however, I possessed but a weak plant in the winter; therefore its merits could not be fairly tested. The few flowers that were developed, however, promised well, being very double, but the color does not suggest that of the old Hogarth, being much paler. As the flowers of these double Bouvardias last in perfection much longer than those of the single kinds, they are especially valuable for use in a cut state, while their size eminently fits them for the smaller arrangements of cut blooms, such as sprays, buttonholes, etc. When Alfred Neuner was first sent out a great deal of correspondence took place as to the way in which it should be propagated, some contending that cuttings of the side shoots produced only single blooms, while the tops of the main branches bore double flowers. After many experiments I was convinced of the fallacy of such a statement, as, though a few single blooms were borne during the first season, the percentage was just as great among those struck from leading shoots as from side branches. The single blooms no doubt arose from the plant being a sport from Davidsoni, a single-flowered kind.
It was, therefore, just a case of reversion to the type.
The above is from the Garden. They do not seem to know in Europe that the Bouvardia is propagated by making " mince meat " of the roots.
 
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