. Bulbous irises. Fio. 13.—Ibis xiphium, or Spanish Ikis. (Prom the Garden.) regard as a development in a direction different from that of theBeticulata group from a common ancestor, now repr< anted, as 1 have siloes ted, by I. m, found alike in Europe and m Asia. Tbia group I will venture to call, after its best known member,the Xvphium group, in spite of the allied term •• Xiphion being applied, unfortunately, I think, to tin- entire bulbous division of Irises. Naturally enough, BeveraJ member of this group have 18 long been known to European gardens. The bulbs have mem-b
. Bulbous irises. Fio. 13.—Ibis xiphium, or Spanish Ikis. (Prom the Garden.) regard as a development in a direction different from that of theBeticulata group from a common ancestor, now repr< anted, as 1 have siloes ted, by I. m, found alike in Europe and m Asia. Tbia group I will venture to call, after its best known member,the Xvphium group, in spite of the allied term •• Xiphion being applied, unfortunately, I think, to tin- entire bulbous division of Irises. Naturally enough, BeveraJ member of this group have 18 long been known to European gardens. The bulbs have mem-branous, not netted coats ; the leaves are not four-sided, though forthe most part long and narrow, almost linear ; and the flowers,generally two, but sometimes one only, are borne on stems ofsome, and often of considerable, height. Two species of this group are exceedingly well known : Iris. Fig. 11.—Iris xiphioides, or English Iris. (From tho Garden.) xiphium (), the so-called Spanish Iris, whoso headquartersare in Spain, Portugal, and Algiers, but which stretches inioSouthern and Italy, and /. xvphioides (fig. 11), the so- d English [ris, found In the Pyrenees. The latter came intothe hands of the Dutch gardeners by way of England, being 19 carried from Bordeaux to Bristol, and so to Holland ; hence thename. I need not dwell at length on the characters of these twoforms, so well known to all. The differences between the two are many and striking. Thefoliage in the English Iris is much broader than in the SpanishIris, and while the latter often spears, and with me alwaysdoes so, in late autumn, the shoot appearing as an awl-likespike, the latter does not spear until spring, and the shooton its first appearance has more the form of a nipple. Theparts of the flower of the Spanish Iris are narrow, rigid, formal,the fall is extended more or less horizontally, and th
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