. The natural history of plants. Botany. Pig. 423. Female inflorescence. Fig. 424. Female flower. Fig. 422. Male flower. " style immediately divided into two long branches stigmatiferous withia and above. In the internal angle of each ceU are inserted two ascendent ovules, , whose micro- pyle ^ is finally directed downwards and outwards, and the lulum soon produces a large axUlary expansion more or less surrounding the seed. The fruit is a double samara with two cells,* whose wings are formed by the development of the backs of the carpels; these cells separate finall
. The natural history of plants. Botany. Pig. 423. Female inflorescence. Fig. 424. Female flower. Fig. 422. Male flower. " style immediately divided into two long branches stigmatiferous withia and above. In the internal angle of each ceU are inserted two ascendent ovules, , whose micro- pyle ^ is finally directed downwards and outwards, and the lulum soon produces a large axUlary expansion more or less surrounding the seed. The fruit is a double samara with two cells,* whose wings are formed by the development of the backs of the carpels; these cells separate finally from each other and contain one or two seeds, having under their coats a conduplicate embryo, with thin and narrow coty- ledons, irregularly plaited or convolute, and an elongated inferior radicle. In certain Maples the flowers are apetalous; in others 4-12- merous. In others again, like Acer Negundo (fig. 426), of which ' Payer, loo. cit. 125. According to this author the two stamens superposed to the same sepal are not both of the same age. ^ According to H. Mohl. {Ann. So. Nat. s&. 2, iii. 337), the poUen is " ovolde, trois plis; dans I'eau, sphlrique aveo trois larges bandes {A. platanoides campestre, dasycarpum, monspeasula- nmn, Psmdoplatanm)," 3 With double coat. * Sometimes with three or moi:e 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.
Size: 1047px × 2388px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1871
