 Catasetum, is widely different, though serving the same end; and is equally curious. Bees visit these flowers, like those of the Coryanthes, in order to gnaw the labellum; in doing this they inevitably touch a long, tapering, sensitive projection, or,...  Science Lectures for the People - Sivu 341874Koko teos - Tietoja tästä kirjasta
 | Charles Darwin - 1866 - 668 sivua
...of the flower ! The construction of the flower of another closely allied orchid, namely Catasetum, is widely different, though 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... | |
 | Robert Brown - 1874 - 644 sivua
...and is equally curious. According to Mr Darwin's description, bees visit these flowers, like those of Coryanthes, in order to gnaw the labellum. In doing...inevitably touch a long tapering sensitive projection, the "antenna" of the rostellum. This antenna, when touched, transmits a sensation of vibration to a... | |
 | John Tyndall - 1874 - 132 sivua
...how that orchid is fertilized. Or take this other case of the Catasetum. ' 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,... | |
 | Charles Darwin - 1875 - 504 sivua
...viscid stigma. The construction of the flower in another closely allied orchid, namely the Catasetum, is widely different though serving the same end ;...they inevitably touch a long, tapering, sensitive protection, or, as I have called it, the antenna. This antenna, whon touched, transmits a sensation... | |
 | John Tyndall - 1876 - 706 sivua
...how that orchid is fertilised. Or take this other case of the Catasetum. ' 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,... | |
 | John Tyndall - 1876 - 656 sivua
...how that orchid is fertilised. Or take this other case of the Catasetum. ' 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,... | |
 | Charles Darwin - 1882 - 494 sivua
...viscid stigma. The construction of the flower in another closely allied orchid, namely the Catasetum, is widely different' though serving the same end ;...touch a long, tapering, sensitive projection, or, as I hsvo called it, the antenna. This antenna, when touched, transmits a sensation or vibration to a certain... | |
 | Charles Darwin - 1889 - 446 sivua
...viscid stigma. The construction of the flower in another closely allied orchid, namely the Catasetum, is widely different, though serving the same end ;...like those of the Coryanthes, in order to gnaw the labeUum; in doing this they inevitably touch a long, tapering, sensitive projection, or, as I have... | |
 | John Tyndall - 1892 - 508 sivua
...how that orchid is fertilised. Or take this other case of the Cataaetum. ' 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,... | |
 | Charles Darwin - 1902 - 770 sivua
...viscid stigma. The construction of the flower in another closely allied orchid, namely the Catasetum, is widely different, though serving the same end;...sensation or vibration to a certain membrane which ia instantly ruptured; this sets free a spring by which the pollen-mass is shot forth, like an arrow,... | |
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