. Plant life [microform]. Botany; Botanique. THE WIND AS CARRIER. 139 be mistaken for petals by all but botanists. One w<?y in which such a substitution often happens is shown us by the great burnet, which is a close relation of thesalad-burnet. This plant, after having acquired the habit of wind-fertihsation, has taken again at last to insect marriage. Havir g lost its petals, however, it can't easily redevelop them; 30 it has had instead to make its calyx purple. The plant as a whole closely re- sembles the salad- burnet; but the flowers are rather different; the stamens no longer hang ou
. Plant life [microform]. Botany; Botanique. THE WIND AS CARRIER. 139 be mistaken for petals by all but botanists. One w<?y in which such a substitution often happens is shown us by the great burnet, which is a close relation of thesalad-burnet. This plant, after having acquired the habit of wind-fertihsation, has taken again at last to insect marriage. Havir g lost its petals, however, it can't easily redevelop them; 30 it has had instead to make its calyx purple. The plant as a whole closely re- sembles the salad- burnet; but the flowers are rather different; the stamens no longer hang out of the calyx; the calyx cup is more tubular; and the stigma is shortened to a little sticky knob, instead of being divided into feathery fringes. These dif- ferences are all very characteristic of the con- trast between wind and insect-fertilisation. The common nettle supplies us with an excel-. 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 Allen, Grant, 1848-1899. London : Hodder and Stoughton
Size: 1008px × 2479px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookau, bookpublisherlondonhodderandstoughton, booksubjectbotany
