. The origin of floral structures : through insect and other agencies. Plants; Flowers; Flowers. Fig. 83.—o, Foliaceous stamen, and h, petal of the Alpine Strawberry (after Le Maout and Decaiene); c, stamen ol " Green ; phosed stamen had the appearance of two leaves united by their mid-ribs. It occurred in JatropTia Pohliana (Fig. 84). This will be alluded to again, as pecu- liarly significant. Phtllodt op the Carpels and Ovules.—This is of much more frequent occurrence than of the stamens. The first condition of change is to leave the ovary open and to expose the ovules ; the s
. The origin of floral structures : through insect and other agencies. Plants; Flowers; Flowers. Fig. 83.—o, Foliaceous stamen, and h, petal of the Alpine Strawberry (after Le Maout and Decaiene); c, stamen ol " Green ; phosed stamen had the appearance of two leaves united by their mid-ribs. It occurred in JatropTia Pohliana (Fig. 84). This will be alluded to again, as pecu- liarly significant. Phtllodt op the Carpels and Ovules.—This is of much more frequent occurrence than of the stamens. The first condition of change is to leave the ovary open and to expose the ovules ; the style may still be stigmatiferous. The ovules then undergo phylloidal changes of different degrees, and much discussion has arisen as to whether the coats of ovules should be regarded as homologous with leaves, the nucellns being axial, or not, Since, however, anatomical observations clearly prove that both the primine and secundine issue out of tangential • Teratology, p. 255. + , p. Fig. 84.—Foliaceous i^atnen of Jatropha Fohliana (after Masters).. 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 Henslow, George, 1835-1925. New York : Appleton
Size: 1484px × 1684px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecad, booksubjectflowers, booksubjectplants
