Introduction to structural and systematic botany, and vegetable physiology, : being a 5th and revedof the Botanical text-book, illustrated with over thirteen hundred woodcuts . FIG. 564. Magnified vertical section of half of a blackberry. 565. Section of one of thegrains, or drupekts, more magnified. FIG. 566. Achenium of a common Buttercup, enlarged. 567. Vertical section of the same,showing the seed within. FIG. 568. Achenium of Mayweed (no pappus). 569. That of Cichory (its pappus a shal-low cup). 570. Of Sunflower (pappus of two deciduous scales). 571. Of Sneczeweed (Hele-nium), with its p
Introduction to structural and systematic botany, and vegetable physiology, : being a 5th and revedof the Botanical text-book, illustrated with over thirteen hundred woodcuts . FIG. 564. Magnified vertical section of half of a blackberry. 565. Section of one of thegrains, or drupekts, more magnified. FIG. 566. Achenium of a common Buttercup, enlarged. 567. Vertical section of the same,showing the seed within. FIG. 568. Achenium of Mayweed (no pappus). 569. That of Cichory (its pappus a shal-low cup). 570. Of Sunflower (pappus of two deciduous scales). 571. Of Sneczeweed (Hele-nium), with its pappus of five scales. 572. Of Sow-Thistle, with its pappus of delicate downyhairs. 573. Of the Dandelion, its pappus raised on a long beak. 27 314 THE FRUIT. ent style usually remains on the fruit as a long tail), and the minutegrains of the strawberry (Fig. 559). But it may be extended, asis now generally done, to all such one-celled seed-like fruits result-ing from a compound ovary, and even when invested with an adnatecalyx-tube. Of this kind is the fruit of all Composite (Fig. 568-573). Here the tube of the calyx is incorporated with the surfaceof the ovary, and its
Size: 1220px × 2048px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorgra, bookcentury1800, bookdecade1860, booksubjectbotany
