 | George Combe - Human beings - 1803 - 280 pages
...same plant from breeding together, this being found to hurt the bracd of vegetables, just as "breeding in and in" does the breed of animals. It is contrived...dust of some other plant, and in this way the breed shall be crossed."* If two near relations, in robust health and possessing very favourably developed... | |
 | English literature - 1827 - 608 pages
...same plant from breeding together, this being found to hurt the breed of vegetables, just as breeding in and in does the breed of animals. It is contrived that the dust shall be shed-by the male blossom before the female is ready to be affected by it, so that the impregnation... | |
 | George Combe - Human beings - 1829 - 326 pages
...same plant from breeding together, this being found to hurt the breed of vegetables, just as breeding in and in does the breed of animals. It is contrived,...other plant, and in this way the breed be crossed.' — Objects fyc. of Science, p. 33. On the same principle, it is found highly advantageous in agriculture... | |
 | George Combe - Body size - 1829 - 318 pages
...hurt the breed of vegetables, just as breeding in and in does the breed of animals. It is contriyed, that the dust shall be shed by the male blossom before...other plant, and in this way the breed be crossed.' — Objects fyc. of Science, p. 33. On the same principle, it is found highly advantageous in agriculture... | |
 | 1829 - 522 pages
...It is contrived that the dust shall be shed by the male blossom before the female of the same plant is ready to be affected by it ; so that the impregnation...which the globules are filled is most essential to the operation, as it conveys them to great distances. A plantation of yew-trees has been known, in... | |
 | Physics - 1829 - 522 pages
...together, this being found to hurt the breed of vegetables, just as breeding in and in spoils the race of animals. It is contrived that the dust shall be shed by the male blossom before the female of the same plant is ready to be affected by it ; so that the impregnation must be performed by the... | |
 | Science - 1831 - 336 pages
...same plant from breeding together, this being found to hurt the breed of vegetables, just as breeding in and in does the breed of animals. It is contrived...light gas with which the globules are filled is most ^ ssential to this operation, as it conveys them to great dis;ances. A plantation of yew trees has... | |
 | Joseph Droz - Happiness - 1832 - 340 pages
...same plant from breeding together, this being found to hurt the breed of vegetables, just as breeding in and in does the breed of animals. It is contrived,...other plant, and in this way the breed be crossed." ' Such considerations, I hope, will induce you to exercise cautious examination of this subject, if... | |
 | George Combe - Human beings - 1835 - 442 pages
...same plant from breeding together, this being found to hurt the breed of vegetables, just as breeding in and in does the breed of animals. It is contrived,...other plant, and in this way the breed be crossed.' — Objects, £fc. of Science, p. 33. On the same principle, it is found highly advantageous in agriculture... | |
 | William Sweetser - Tuberculosis - 1836 - 268 pages
...same plant from breeding together, this being found to hurt the breed of vegetables, just as breeding in and in does the breed of animals. It is contrived,...other plant, and in this way the breed be crossed." and eventually the means of extinguishing a degenerated race." As similar constitutions tend to perpetuate,... | |
| |
A provision, of a very simple kind, is, in some cases, made to prevent the male and female blossoms of the same plant from breeding together, this being found to hurt the breed of vegetables, just as breeding in and in does the breed of animals. It is... 
