. The natural history of plants. Botany. 124 NATURAL HISTORY OF PLANTS. superposed to three leaves of the calyx, each being formed of four cells representing, perhaps, a pair of anthers. The prsefloration of the sepals is valvate or nearly so in the male-flowers, imbricated in the female, and in the intervals three petaloid pieces are seen, representing a disk similar to that of Mercurialis. Hasskarlia, formed of shrubs from tropical Western Africa, has the male flowers of Tetrorchidium, the male sepals being clearly valvate. It differs only from the latter genus by the petaloid pieces of its


. The natural history of plants. Botany. 124 NATURAL HISTORY OF PLANTS. superposed to three leaves of the calyx, each being formed of four cells representing, perhaps, a pair of anthers. The prsefloration of the sepals is valvate or nearly so in the male-flowers, imbricated in the female, and in the intervals three petaloid pieces are seen, representing a disk similar to that of Mercurialis. Hasskarlia, formed of shrubs from tropical Western Africa, has the male flowers of Tetrorchidium, the male sepals being clearly valvate. It differs only from the latter genus by the petaloid pieces of its female disk, •which alternate with the ovary cells instead of being opposite to them, the cells themselves alternating with the sepals in Tetror- chidium, whUe they are superposed in Hasskarlia. Acalypha (fig. 185-189), which has often served as the type of a tribe of this family, to which it yet gives its name, is easily dis- Acalypha 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: 1668px × 1498px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1871