The Power of Movement in Plants by Charles Darwin;Sir Francis Darwin
page 9 of 647 (01%)
page 9 of 647 (01%)
|
Advantages of the sensibility to geotropism being localised in the tips of
the radicles...Page 523-545 CHAPTER XII. SUMMARY AND CONCLUDING REMARKS. Nature of the circumnutating movement--History of a germinating seed--The radicle first protrudes and circumnutates--Its tip highly sensitive-- Emergence of the hypocotyl or of the epicotyl from the ground under the form of an arch--Its circumnutation and that of the cotyledons--The seedling throws up a leaf-bearing stem--The circumnutation of all the parts or organs--Modified circumnutation--Epinasty and hyponasty--Movements of climbing plants--Nyctitropic movements--Movements excited by light and gravitation--Localised sensitiveness--Resemblance between the movements of plants and animals--The tip of the radicle acts like a brain...546-573 INDEX...574-593 [page 1] THE MOVEMENTS OF PLANTS. |
|