. The natural history of plants. Botany. Fig. 166. Male Flower (f). Fig. 167. Long. sect, of male flower. In some species oi Jatropha, the number of stamens is increased to twenty or thirty. In others, the male flower alone has a corolla, which is wanting in the female flower. In others, again, of which it has been thought a genus might be made, under the name of Cnidoscolus^^ (figs. 160, 167), the petals disappear in the flowers of both sexes, when the calyx generally becomes petaloid. In J. Cur as (fig. 163-165), and other analogous species, often also distinguished ' The pollen is " la
. The natural history of plants. Botany. Fig. 166. Male Flower (f). Fig. 167. Long. sect, of male flower. In some species oi Jatropha, the number of stamens is increased to twenty or thirty. In others, the male flower alone has a corolla, which is wanting in the female flower. In others, again, of which it has been thought a genus might be made, under the name of Cnidoscolus^^ (figs. 160, 167), the petals disappear in the flowers of both sexes, when the calyx generally becomes petaloid. In J. Cur as (fig. 163-165), and other analogous species, often also distinguished ' The pollen is " large spherical; exterior of membrane with large grains without folds : J. pmidmaifulia, J, ureas, Adenorhopium villo- ; H. MoHL, «. So. Nat. ser. 2, iii. 337). " The summit of the androceum column sup- ports, in a certain number of flowers, a rudi- ment of a gynasceum, sometimes entire, some- times trifid or tripartite, the existence of which has been contested (see Adansonia, xi. 134). VOL. V. ' The nucleus, prolonged beyond the exostome, at anthesis applies its dilated apex flattened or spathulate against the outer midrib of the obturator. â ⢠PoHL, PI. Hi-as. i. 56, t. 49-52.âEndl. Gen. n. 5807.âH. Bn. JSuphorbiac. 302, t. 19, flg. 3-9.âBivonea Rafin, Fl. Lwlov. 138 (nee. M09. nee DC).âJussievia Hocst, Rel. 6, t. 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
