. Florists' review [microform]. Floriculture. The Florists' Revicv/ Jolt 28, 1921 DUTCH IRISES. Origin. "1 can imagine old-fashioacd garden- ers saying to themselves: 'Dutch irises? Spanish I know and English I know, but what are Dutch irises f Dutch irises are a splendid new race of bulbous irises which originated in Holland and whicli lirst appeared in commerce at the commencement of the last decade," writes a grower of them, Joseph Jacob, in the Gardeners' Chron- icle, of London. "They have a general resemblance to the well-known Spanish irises, more especially to such variet
. Florists' review [microform]. Floriculture. The Florists' Revicv/ Jolt 28, 1921 DUTCH IRISES. Origin. "1 can imagine old-fashioacd garden- ers saying to themselves: 'Dutch irises? Spanish I know and English I know, but what are Dutch irises f Dutch irises are a splendid new race of bulbous irises which originated in Holland and whicli lirst appeared in commerce at the commencement of the last decade," writes a grower of them, Joseph Jacob, in the Gardeners' Chron- icle, of London. "They have a general resemblance to the well-known Spanish irises, more especially to such varieties us Flora and Rossini, but they have larger, more important-looking blooms; and what differentiates them more par- ticularly from the utilitarian jjoint of view of a gardener is that they come into bloom from ten days to a fortnight earlier. Thus, in a fairly comprehen- sive trial which, thanks to the kindness of the firms of C. G. Van Tubergen, Jr., and De Graaff Bros., I have carried out this last season, the first 'Dutch' vari- ety opened May 21 and the last June 7, whereas the first Spanish iris did not open until June H. The mention of these firms leads me to say that included un- der the heading 'Dutcli' there are botanically two distinct strains. The original one is that of Tubergen and was ])roduced by the intercrossing of two early-flowering forms of Iris Xiphium, vix".,filifolia () and lusi- tanica .-md, later, by introducing tingi- tana blood. Of this cross, of which the pretty soft jiale mauve David Rles is an example, not many varieties have been saved on account of the somewhat tender constitution and sliy blooming habit of the i):irent. The second :nid l:iter is that of De Graaff Bros. It originated in this way: 'First, crosses were made between Iris tingi- tana. T. Boissicri, and I. filifolia. The seedlings were crossed with Van Tuber- gen 's iris and also again with tingitana' (extract from a letter from Mr. Jan de Giaaft' to myself)
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Keywords: ., bookcentury1900, bookdecad, booksubjectfloriculture, bookyear1912
