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Author : Charles Darwin
Publisher : Unknown
Page : 126 pages
File Size : 51,6 Mb
Release : 1865
Category : Climbing plants
ISBN : NYPL:33433007351608
Author : Charles Darwin
Publisher : anboco
Page : 127 pages
File Size : 48,7 Mb
Release : 2016-08-30
Category : Fiction
ISBN : 9783736412699
This Essay first appeared in the ninth volume of the 'Journal of the Linnean Society,' published in 1865. It is here reproduced in a corrected and, I hope, clearer form, with some additional facts. The illustrations were drawn by my son, George Darwin. Fritz Müller, after the publication of my paper, sent to the Linnean Society (Journal, vol. ix., p. 344) some interesting observations on the climbing plants of South Brazil, to which I shall frequently refer. Recently two important memoirs, chiefly on the difference in growth between the upper and lower sides of tendrils, and on the mechanism of the movements of twining-plants, by Dr. Hugo de Vries, have appeared in the 'Arbeiten des Botanischen Instituts in Würzburg,' Heft. iii., 1873. These memoirs ought to be carefully studied by every one interested in the subject, as I can here give only references to the more important points. This excellent observer, as well as Professor Sachs, [iv] attributes all the movements of tendrils to rapid growth along one side; but, from reasons assigned towards the close of my fourth chapter, I cannot persuade myself that this holds good with respect to those due to a touch. In order that the reader may know what points have interested me most, I may call his attention to certain tendril-bearing plants; for instance, Bignonia capreolata, Cobæa, Echinocystis, and Hanburya, which display as beautiful adaptations as can be found in any part of the kingdom of nature. It is, also, an interesting fact that intermediate states between organs fitted for widely different functions, may be observed on the same individual plant of Corydalis claviculata and the common vine; and these cases illustrate in a striking manner the principle of the gradual evolution of species.
Author : Darwin
Publisher : Unknown
Page : 226 pages
File Size : 55,6 Mb
Release : 1893
Category : Electronic
ISBN : UBBS:UBBS-00039941
Author : Charles Robert Darwin
Publisher : Unknown
Page : 240 pages
File Size : 51,8 Mb
Release : 1890
Category : Climbing plants
ISBN : OCLC:898997169
Author : Charles Darwin
Publisher : Unknown
Page : 124 pages
File Size : 50,5 Mb
Release : 2021-02-08
Category : Electronic
ISBN : 9798706356989
Initially published by the Linnean Society, this 1865 essay was Darwin's first foray into the study of climbing plants. He was inspired to produce this work by a paper on the tendrilled Cucurbitacean plant by American botanist Asa Gray, with whom he had a firm intellectual friendship. Darwin examines in detail those plants which climb using a twisting stem, such as the hop; leaf-climbers, such as the clematis; tendrilled plants such as the passion flower; and hook and root climbers such as ivy. The conclusions reached by his study are presented in terms of the adaptations of various species to their environments, a continuation of the theories that Darwin had propounded in his On the Origin of the Species six years earlier. His passion for the design of the plants and fascination with the diversity of their powers of movement are clear in this accessible example of the process of evolution.
Author : Charles Darwin
Publisher : Unknown
Page : 128 pages
File Size : 40,6 Mb
Release : 1865
Category : Electronic
ISBN : BL:A0017508751
Author : Charles Darwin
Publisher : Unknown
Page : 260 pages
File Size : 52,9 Mb
Release : 1882
Category : Climbing plants
ISBN : HARVARD:HN268E
Author : Charles Darwin
Publisher : Independently Published
Page : 64 pages
File Size : 54,8 Mb
Release : 2021-04-23
Category : Electronic
ISBN : 9798741833308
the movements and habits of climbing plants From Charles Darwin
Author : Darwin Charles
Publisher : Hardpress Publishing
Page : 166 pages
File Size : 48,7 Mb
Release : 2016-06-21
Category : Electronic
ISBN : 1318744296
Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve to be made available for future generations to enjoy.
Author : Charles Darwin
Publisher : Unknown
Page : 128 pages
File Size : 43,8 Mb
Release : 1992
Category : Climbing plants
ISBN : 0191805092
Author : Charles Darwin
Publisher : Unknown
Page : 110 pages
File Size : 50,7 Mb
Release : 2020-05-19
Category : Electronic
ISBN : 9798647081407
Climbing plants may be divided into four classes. First, those which twine spirally round a support, and are not aided by any other movement. Secondly, those endowed with irritable organs, which when they touch any object clasp it; such organs consisting of modified leaves, branches, or flower-peduncles. But these two classes sometimes graduate to a certain extent into one another. Plants of the third class ascend merely by the aid of hooks; and those of the fourth by rootlets; but as in neither class do the plants exhibit any special movements, they present little interest, and generally when I speak of climbing plants I refer to the two first great classes.
Author : Charles Robert Darwin
Publisher : Unknown
Page : 208 pages
File Size : 45,7 Mb
Release : 1875
Category : Electronic
ISBN : OCLC:488616044
Author : CHARLES. DARWIN
Publisher : Unknown
Page : 0 pages
File Size : 49,9 Mb
Release : 2018
Category : Electronic
ISBN : 1033641464
Author : Charles Darwin
Publisher : Unknown
Page : 242 pages
File Size : 46,8 Mb
Release : 1876
Category : Science
ISBN : UOM:39015049200408
Author : Anonim
Publisher : Unknown
Page : 128 pages
File Size : 44,8 Mb
Release : 2006
Category : Electronic
ISBN : OCLC:1002024628