 | Charles Darwin - 1866 - 668 sayfa
...serving the same end ; and is equally curious. Bees visit this flower, as in the case of the Coryanthes, in order to gnaw the labellum ; in doing this they...inevitably touch a long, tapering, sensitive projection, or, as I have called '4k it, antenna. The antenna being touched causes a certain membrane to rupture... | |
 | Sir Norman Lockyer - 1874 - 562 sayfa
...provided, flies to another flower, or to the same flower a second time, and is pushed by its comrades into the bucket, and then crawls out by the passage, the...orchid is fertilised. Or take this other case of the Cataselnni. "Bees visit these flowers in order to gnaw the labellum ; on doing this they inevitably... | |
 | Sir Norman Lockyer - 1874 - 562 sayfa
...provided, flies to another flower, or to the same flower a second time, and is pushed by its comrades into the bucket, and then crawls out by the passage, the...orchid is fertilised. Or take this other case of the Cataseltim. " Bees visit these flowers in order to gnaw the labellum ; on doing this they inevitably... | |
 | John Tyndall - 1874 - 80 sayfa
...provided, flies to another flower, or to the same flower a second time, and is pushed by its comrades into the bucket, and then crawls out by the passage, the...takes up the pollen ; and this is how that orchid is fertilized. Or take this other case of the Gatasetum. " Bees visit these flowers in order to gnaw the... | |
 | 1874 - 532 sayfa
...provided, flies to another flower, or to the same flower a second time, and is pushed by its comrades into the bucket, and then crawls out by the passage, the...takes up the pollen ; and this is how that orchid is fertilized. Or take this other case of the Catasetum. " Bees visit these flowers in order to gnaw the... | |
 | Royal Microscopical Society (Great Britain) - 1874 - 350 sayfa
...provided, flies to another flower, or to the same flower a second time, and is pushed by its comrades into the bucket, and then crawls out by the passage, the...takes up the pollen ; and this is how that orchid is fertilized. Or take this other case of the Catasetum. " Bees visit these flowers in order to gnaw the... | |
 | John Tyndall - 1874 - 172 sayfa
...provided, flies to another flower, or to the same flower a second time, and is pushed by its comrades into the bucket, and then crawls out by the passage, the...takes up the pollen ; and this is how that orchid is fertilized. Or take this other case of the Catasetum. ' Bees visit these flowers in order to gnaw the... | |
 | John Tyndall - 1874 - 132 sayfa
...provided, flies to another flower, or to the same flower a second time, and is pushed by its comrades into the bucket, and then crawls out by the passage, the...takes up the pollen ; and this is how that orchid is fertilized. Or take this other case of the Catasetum. ' Bees visit these flowers in order to gnaw the... | |
 | 1874 - 806 sayfa
...provided, flies to another flower, or to the same flower a second time, and is pushed by his comrades into the bucket, and then crawls out by the passage, the...takes up the pollen ; and this is how that orchid is fertilized. Or take this other ease of the Catasetum. " Bees visit these flowers in order to gnaw the... | |
 | Robert Brown - 1874 - 644 sayfa
...curious. According to Mr Darwin's description, bees visit these flowers, like those of Coryanthes, in order to gnaw the labellum. In doing this they...inevitably touch a long tapering sensitive projection, the "antenna" of the rostellum. This antenna, when touched, transmits a sensation of vibration to a... | |
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Bees visit these flowers in order to gnaw the labellum ; in doing this they inevitably touch a long, tapering, sensitive projection. This, when touched, transmits a sensation or vibration to a certain membrane, which is instantly ruptured, setting... 
