 | 1889 - 864 sider
...structure in plants, so far as its functions are concerned, more wonderful than the tip of the radicle. The course pursued by the radicle in penetrating the ground must be determined by the tip. Darwin wrote : "It is hardly an exaggeration to say that the tip of the radicle, endowed, as it is,... | |
 | 1879 - 790 sider
...wonderful powers of the seedling root tip are totally unexpected. As Mr. Darwin sajs i elusion : "It is hardly an exaggeration to say that the tip of the...adjoining parts, acts like the brain of one of the lower an: Dr. Goodale follows with several notes, the longest being a noBaron Ferd. von Muller's Eucalyptographia.... | |
 | James Samuelson, Sir William Crookes - 1881 - 782 sider
...moisture." Taking these various kinds of sensitiveness into consideration, Mr. Darwin pronounces it hardly an exaggeration to say that the tip of the...parts, acts like the brain of one of the lower animals, where the brain, seated within the anterior end of the body, receives impressions from the sense-organs... | |
 | 1881 - 540 sider
...between these movements of plants, and many actions performed unconscicusly by the lower animals" — "the tip of the radicle thus endowed, and having the...acts like the brain of one of the lower animals." Well, if plants have a brain, or the equivalent of it, directing all their movements, then we suppose,... | |
 | 1881 - 836 sider
...likewise transmits an influence to the upper adjoining part, which bends towards the source of moisture." the tip of the radicle thus endowed, and having the...parts, acts like the brain of one of the lower animals, where the brain, seated within the anterior end of the body, receives impressions from the sense-organs... | |
 | Royal Microscopical Society (Great Britain) - 1881 - 1116 sider
...is generated in the far-off battery. " It is hardly an exaggeration to say," remarks Mr. Darwin, " that the tip of the radicle thus endowed, and having...the movements of the adjoining parts, acts like the br.iin of one of the lower animals : the brain being seated within the anterior end of the body, receiving... | |
 | 1881 - 898 sider
...tip, and one conquers the other, no doubt in accordance with Us importance for the life of the plant. The course pursued by the radicle In penetrating the ground must be determined by the tip ; hence it baa acquired such diverse kinds of sensitiveness. It ia hardly an exaggeration to say that the tip... | |
 | 1882 - 998 sider
...Wiirzburg, ii. (1882) pp. 627-47. § " It is hardly an exaggeration to sny that the tip of the radicle thug endowed, and having the power of directing the movements...adjoining parts, acts like the brain of one of the lower nnimals ; the brain being seated within the anterior end of the body, receiving impressions from the... | |
 | Michigan State Horticultural Society - 1883 - 486 sider
...structure in plants more wonderful, as far as its functions are concerned, than the tip of the radicle. The course pursued by the radicle in penetrating the...an exaggeration to say that the tip of the radicle (root) thus endowed, and having the power of directing the movements of the adjoining parts, acts like... | |
 | John Ellor Taylor - 1884 - 370 sider
...of the roottips of plants, shows they have acquired diverse kinds of sensitiveness, and that " it is hardly an exaggeration to say that the tip of the...the movements of the adjoining parts, acts like the ' B brain of one of the lower animals ; the brain being seated within the anterior end of the body,... | |
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It is hardly an exaggeration to say that the tip of the radicle, thus endowed, and having the power to direct the movements of the adjoining parts, acts like the brain of one of the lower animals... 
