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Orchids
Summary
Why Orchids? Darwin wrote in his Autobiography, ‘During the summer of 1839, and, I believe, during the previous summer, I was led to attend to the cross-fertilisation of flowers by the aid of insects, from having come to the conclusion in my…
Matches: 6 hits
- … of Orchis, would explain the springing out of pollinia in Catasetum. Could you lend me a plant …
- … told his friend Hooker, ‘ I shall never rest till I see a Catasetum eject pollen-masses, & a …
- … majority of orchid flowers are hermaphrodite, those of Catasetum and related genera like …
- … different appearance of the different sexual forms in Catasetum , so much so, that these had been …
- … that he would be able to make out separate sexes in Catasetum and Myanthus . In a letter …
- … 3 April 1862, ‘On the three remarkable sexual forms of Catasetum tridentatum , an orchid in the …
Darwin in letters, 1862: A multiplicity of experiments
Summary
1862 was a particularly productive year for Darwin. This was not only the case in his published output (two botanical papers and a book on the pollination mechanisms of orchids), but more particularly in the extent and breadth of the botanical experiments…
Matches: 3 hits
- … Society. And three sexual forms in Lythrum and Catasetum One of the multi …
- … it was one of the society’s own specimens of the orchid Catasetum tridentatum ,that Darwin …
- … to appear in person at the Linnean Society to read his Catasetum paper, but regretted it, as he …
Darwin in letters, 1864: Failing health
Summary
On receiving a photograph from Charles Darwin, the American botanist Asa Gray wrote on 11 July 1864: ‘the venerable beard gives the look of your having suffered, and … of having grown older’. Because of poor health, Because of poor health, Darwin…
Matches: 1 hits
- … had published the previous year on different forms of Catasetum (‘Three sexual forms of …
