Pollination rigida", this allows the plant to self-pollinate, which is useful when biotic pollinators in the environment have decreased. It is possible for a plant have varying pollination methods, including both biotic and abiotic pollination. The orchid "Oeceoclades maculata" uses both rain and butterflies, depending on its environmental conditions. More commonly, pollination involves pollinators (also called pollen vectors): organisms that carry or move the pollen grains from the anther of one flower to the receptive part of the carpel or pistil (stigma) of another. Between 100,000 and 200,000 species of animal act as pollinators of the world's 250,000 species of flowering
Daniel Pollen May 1846, Pollen married Jane Henderson, the daughter of an officer of the Royal Navy (Lieutenant Essex, RN, of Demarara). He moved with her to Kawau Island in 1847, after becoming medical officer to a Scottish copper-mining company. Pollen spent several years on Kawau, during which time he began to contribute articles to "The New Zealander" supporting the agitation for responsible government. He was also to the fore in supporting temperance, scientific, and library movements there. When the New Zealand Constitution Act 1852 became law, Pollen was made chief clerk in the Auckland Superintendent's office. From there, he rose through