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.
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 Muller, 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 Wurzburg,' 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, 1 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, Cobaea, 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.
Appendix to Preface (1882).
Since the publication of this Edition two papers by eminent botanists have appeared; Schwendener, 'Das Winden der Pflanzen' (Monatsberichte der Berliner Akademie, Dec. 1881), and J. Sachs, 'Notiz uber Schlingpflanzen' (Arbeiten des botanischen Instituts in Wurzburg, Bd. ii. p. 719, 1882). The view "that the capacity of revolving, on which most climbers depend, is inherent, though undeveloped, in almost every plant in the vegetable kingdom" ('Climbing Plants,' p. 205), has been confirmed by the observations on circumnutation since given in 'The Power of Movement in Plants.'
Errata.
On pp. 28, 32, 40, 53, statements are made with reference to the supposed acceleration of the revolving movement towards the light. It appears from the observations given in 'The Power of Movement in Plants,' p. 451, that these conclusions were drawn from insufficient observations, and are erroneous.
A Monograph on the Sub-class Cirripedia (Volume 2 of 2) by Charles Darwin
The Foundations of the Origin of Species by Charles Darwin
On the Origin of Species by Means of Natural Selection by Charles Darwin
A Naturalist's Voyage Round the World by Charles Darwin
The Variation of Animals and Plants under Domestication is a book by Charles Darwin that was first published in January 1868. A large proportion of the book contains detailed information on the domestication of animals and plants but it also contains in Chapter XXVII a description of Darwin's theory of heredity which he called pangenesis.
First published in book form in 1877, this volume of Darwin's pioneering research on the heterostylous reproductive systems in flowering plants remains the basis of much exciting original research in the field of botany today. Darwin himself revealed, “I do not think anything in my scientific life has given me so much satisfaction as making out the meaning of the structure of these plants."
Kaelyn devoted three years tending to her husband after a terrible accident. But once he was fully recovered, he cast her aside and brought his first love back from abroad. Devastated, Kaelyn decided on a divorce as people mocked her for being discarded. She went on to reinvent herself, becoming a highly sought-after doctor, a champion racer, and an internationally renowned architectural designer. Even then, the traitors sneered in disdain, believing Kaelyn would never find someone. But then the ex-husband’s uncle, a powerful warlord, returned with his army to ask for Kaelyn’s hand in marriage.
Dear readers, this book has resumed daily updates. It took Sabrina three whole years to realize that her husband, Tyrone didn't have a heart. He was the coldest and most indifferent man she had ever met. He never smiled at her, let alone treated her like his wife. To make matters worse, the return of the woman he had eyes for brought Sabrina nothing but divorce papers. Sabrina's heart broke. Hoping that there was still a chance for them to work on their marriage, she asked, "Quick question,Tyrone. Would you still divorce me if I told you that I was pregnant?" "Absolutely!" he responded. Realizing that she didn't mean shit to him, Sabrina decided to let go. She signed the divorce agreement while lying on her sickbed with a broken heart. Surprisingly, that wasn't the end for the couple. It was as if scales fell off Tyrone's eyes after she signed the divorce agreement. The once so heartless man groveled at her bedside and pleaded, "Sabrina, I made a big mistake. Please don't divorce me. I promise to change." Sabrina smiled weakly, not knowing what to do...
In order to fulfill her grandfather's last wish, Stella entered into a hasty marriage with an ordinary man she had never met before. However, even after becoming husband and wife on paper, they each led separate lives, barely crossing paths. A year later, Stella returned to Seamarsh City, hoping to finally meet her mysterious husband. To her astonishment, he sent her a text message, unexpectedly pleading for a divorce without ever having met her in person. Gritting her teeth, Stella replied, "So be it. Let’s get a divorce!" Following that, Stella made a bold move and joined the Prosperity Group, where she became a public relations officer that worked directly for the company’s CEO, Matthew. The handsome and enigmatic CEO was already bound in matrimony, and was known to be unwaveringly devoted to his wife in private. Unbeknownst to Stella, her mysterious husband was actually her boss, in his alternate identity! Determined to focus on her career, Stella deliberately kept her distance from the CEO, although she couldn't help but notice his deliberate attempts to get close to her. As time went on, her elusive husband had a change of heart. He suddenly refused to proceed with the divorce. When would his alternate identity be uncovered? Amidst a tumultuous blend of deception and profound love, what destiny awaited them?
Life was perfect until she met her boyfriend's big brother. There was a forbidden law in the Night Shade Pack that if the head Alpha rejected his mate, he would be stripped of his position. Sophia's life would get connected with the law. She was an Omega who was dating the head Alpha's younger brother. Bryan Morrison, the head Alpha, was not only a cold-blooded man but also a charming business tycoon. His name was enough to cause other packs to tremble. He was known as a ruthless man. What if, by some twist of destiny, Sophia's path were to intertwine with his?
Linsey was stood up by her groom to run off with another woman. Furious, she grabbed a random stranger and declared, "Let's get married!" She had acted on impulse, realizing too late that her new husband was the notorious rascal, Collin. The public laughed at her, and even her runaway ex offered to reconcile. But Linsey scoffed at him. "My husband and I are very much in love!" Everyone thought she was delusional. Then Collin was revealed to be the richest man in the world. In front of everyone, he got down on one knee and held up a stunning diamond ring. "I look forward to our forever, honey."
For three years, Shane and Yvonne were wed, sharing heated nights, while his devotion clung to his ex. Yvonne strove to be a dutiful wife, yet their marriage felt hollow, built on desire rather than real warmth. All changed when she became pregnant, only for Shane to thrust her onto the operating table, warning, “Either you or the baby survives!” Broken by his cruelty, she vanished in grief and later returned, radiantly accomplished, leaving everyone awestruck. Haunted by remorse, Shane begged for another chance, but Yvonne only smiled and replied, “I’m sorry, men no longer interest me.”