. The elements of botany for beginners and for schools. Botany. therefore for seed-bearing as well as for show. Let it not be supposed that the show is useless. See Section XIIL 269. Adnation, or Consolidation, is the union of the members of parts belonging to ditierent circles of the flower (256). It is of course under- stood that in this (as likewise in coalescence) the parts are not formed aud then conjoined, but are produced in union. They are l)orn united, as the term adnate implies. To illustrate this kind of union, take the accompany- ing series of flowers (Fig. 270-274), shown in verti


. The elements of botany for beginners and for schools. Botany. therefore for seed-bearing as well as for show. Let it not be supposed that the show is useless. See Section XIIL 269. Adnation, or Consolidation, is the union of the members of parts belonging to ditierent circles of the flower (256). It is of course under- stood that in this (as likewise in coalescence) the parts are not formed aud then conjoined, but are produced in union. They are l)orn united, as the term adnate implies. To illustrate this kind of union, take the accompany- ing series of flowers (Fig. 270-274), shown in vertical section. In the first. Fig. 270, Flax-flower, there is no adnation; sepals, petals, and sta- mens, Sivefree as well as distinct, being separately borne on the receptacle, one circle within or above the next; only the five pistils liave their ovaries coalescent. In Fig. 271, a Cherry-flower, the ])etals and stamens are borne on the throat of the calyx-tube; that is, the sepals are coalescent into a cup. and the petals and stamens are adnate to the inner face of this; in other Fig. 268. Head of flowers of a Coreniisis, divided lengthwise. Fig. 269. A slice of the preceding more enlarged, with one tuhular perfect flower (") left standing on the receptacle, with its hractlet or chaff (h), one lignlate and nentral ray flower (ct), and part of another; dd, section of bracts or leaves of the 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 Gray, Asa, 1810-1888. New York : American Book Company


Size: 2544px × 982px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1880, booksubjectbotany, bookyear1887