| Charles Darwin - 1866 - 668 páginas
...wine, with a bee which he had killed before it had quite crawled out of the passage with a pollen-mass fastened to its back. When the bee, thus provided,...the bucket and then crawls out by the passage, the pollen-mass necessarily comes first into contact with the viscid stigma, and adheres to it, and the... | |
| 1874 - 276 páginas
...first happens to crawl out through the passage of a lately-expanded flower, and are thus carried away. When the bee, thus provided, flies to another flower,...crawls out by the passage, the pollen mass necessarily first comes into contact with the viscid stigma, and adheres to it, and the flower is fertilised. Now,... | |
| Charles Joseph Parker - 1870 - 204 páginas
...happens to crawl through the passage of a lately expanded flower, and are thus carried away. . . . When the bee, thus provided, flies to another flower,...to the same flower a second time, and is pushed by his companions into the bucket, and then crawls out by the passage, the pollen-mass necessarily comes... | |
| Sir Norman Lockyer - 1874 - 562 páginas
...; then against the pollen-masses, which are thus stuck to the back of the bee and carried away. ' ' When the bee, thus provided, flies to another flower,...the bucket, and then crawls out by the passage, the pollen-mass upon its back necessarily comes first into contact with the viscid stigma," which takes... | |
| John Tyndall - 1874 - 80 páginas
...glue ; then again the pollen-masses, which are thus stuck to the back of the bee and carried away. " When the bee, thus provided, flies to another flower,...the bucket, and then crawls out by the passage, the pollen-mass upon its back necessarily comes first into contact with the viscid stigma," which takes... | |
| 1874 - 532 páginas
...glue ; then against the pollen masses, which are thus stuck to the back of the bee and carried away. " When the bee, thus provided, flies to another flower,...the bucket, and then crawls out by the passage, the pollen-mass upon its back necessarily comes first into contact with the viscid stigma," which takes... | |
| Robert Brown - 1874 - 644 páginas
...happen to crawl out through the passage of a lately-expanded flower, and are thus carried away. . . . When the bee, thus provided, flies to another flower,...the bucket, and then crawls out by the passage, the pollen-masses necessarily come first in contact with the viscid stigma and adhere to it, and the flower... | |
| Royal Microscopical Society (Great Britain) - 1874 - 350 páginas
...glue ; then against the pollen-masses, which are thus stuck to the back of the bee and carried away. " When the bee, thus provided, flies to another flower,...the bucket, and then crawls out by the passage, the pollen-mass upon its back necessarily comes first into contact with the viscid stigma," which takes... | |
| Sir Norman Lockyer - 1874 - 562 páginas
...glue ; then against the pollen-masses, which are thus stuck to the back of the bee and carried away. "When the bee, thus provided, flies to another flower,...the bucket, and then crawls out by the passage, the pollen-mass upon its back necessarily comes first into contact with the viscid stigma," which takes... | |
| John Tyndall - 1874 - 172 páginas
...the pollen-masses, which are thus stuck to the back of the bee and carried away. ' When the bee, so provided, flies to another flower, or to the same...the bucket, and then crawls out by the passage, the pollen-mass upon its back necessarily comes first into contact with the viscid stigma,' which takes... | |
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