. The natural history of plants. Botany. BUB I AC E^. 2S9 Uragoga, particularly 'with Psycliotria and Chasalia, are Gcertnera and Pagamea, usually placed in another family (Loganiacece). They in reality differ only in the form of the receptacle Gcertnera vaginata. and the little adherence to it of the ovary which is not quite free, as is often said, but adherent only in its lower portion, corresponding to a part of the ovarian cells. The latter are two in number and enclose a single ovule of Uragoga. GceHnera (fig. 267, 268) consists of shrubs of Africa and tropical Asia, abundant especially i


. The natural history of plants. Botany. BUB I AC E^. 2S9 Uragoga, particularly 'with Psycliotria and Chasalia, are Gcertnera and Pagamea, usually placed in another family (Loganiacece). They in reality differ only in the form of the receptacle Gcertnera vaginata. and the little adherence to it of the ovary which is not quite free, as is often said, but adherent only in its lower portion, corresponding to a part of the ovarian cells. The latter are two in number and enclose a single ovule of Uragoga. GceHnera (fig. 267, 268) consists of shrubs of Africa and tropical Asia, abundant especially in the eastern African islands. The fruit is free and drupaceous, and the albumen, very hard, is abundant and homogeneous, Pagamea (fig. 269-274), scarcely distinct generically from Gcertnera, inhabits eastern tropical America. The inflorescence is axiUary; the ovary is bilocular, more rarely S-S-cell'ed, and the al- bumen is deeply ruminate, like that of the section Grumilea of Uragoga. Two genera, somewhat abnormal, have been ranged in this group near Uragoga and Lasianthus. One is Hymenocnemis, a shrub of Mada- gascar, with small leaves whose stipules are connate in a sort of spathe which surrounds the summit of the branch and allows it to perforate its extremity so as to form a tubular sheath. Its flowers are nearly those of a Uragoga, rather large, axillary and soUtary. The other is Fergusonia, an Indian herb whose foliage is that of a Spermacoce and its axillary flowers VOL. VII. u. Fig. 267. Floriferoua tranoh. Gcertnera Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Baillon, Henri Ernest, 1827-1895; Hartog, Marcus Manuel, 1851-. London, L. Reeve & Co.


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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1871