The Popular Science Review: A Quarterly Miscellany of Entertaining and Instructive Articles on Scientific Subjects, Volume 12James Samuelson, Henry Lawson, William Sweetland Dallas Robert Hardwicke, 1873 - Science |
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Page 153
... pollen ; but few think how the pollen is formed , and few investigate the struc- ture of anthers that need the microscope for their elucidation . Pollen grains are formed in special cells in the substance of the anther , and they must ...
... pollen ; but few think how the pollen is formed , and few investigate the struc- ture of anthers that need the microscope for their elucidation . Pollen grains are formed in special cells in the substance of the anther , and they must ...
Page 154
... pollen buds will then be seen , and it will be found that the cells below the epidermis often present curious and beautiful appearances of spiral or other fibres . The Siberian Squill , common in gardens ( Scilla Sibirica ) , and as a ...
... pollen buds will then be seen , and it will be found that the cells below the epidermis often present curious and beautiful appearances of spiral or other fibres . The Siberian Squill , common in gardens ( Scilla Sibirica ) , and as a ...
Page 155
... pollen masses upon them . These are the stigmas , as shown in fig . 10A . The anthers are of similar character , looking like leaves . Their filaments ( stalks ) are ex- panded on one side in a petal , and the actual anther , with a ...
... pollen masses upon them . These are the stigmas , as shown in fig . 10A . The anthers are of similar character , looking like leaves . Their filaments ( stalks ) are ex- panded on one side in a petal , and the actual anther , with a ...
Page 156
... pollen adhering to what looks like a slender leaf , and might detect no symptoms of a stigma . He would see an anther - like body attached to the margin of another leaf , but most likely without a trace of pollen upon it . These ...
... pollen adhering to what looks like a slender leaf , and might detect no symptoms of a stigma . He would see an anther - like body attached to the margin of another leaf , but most likely without a trace of pollen upon it . These ...
Page 157
... pollen sacs on their sides , it is clear we must not attribute the formation of pollen to the blade of the leaf only , but we must admit that it may be formed by the filament as well . " He also says that the " tendency to ...
... pollen sacs on their sides , it is clear we must not attribute the formation of pollen to the blade of the leaf only , but we must admit that it may be formed by the filament as well . " He also says that the " tendency to ...
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acid American animals anthers apparatus appears Arctocebus arranged Astronomer Astronomer Royal atmosphere Biela's birds body bones carbon carbonic acid cause character Chemical Chimpanzee chlorophyll Cirripedes coal colour comet compared contains Crustacean described diameter Elapida electric existence experiments explosion fact feet flowers fossil fuze genus geological Gibbons gives Gorilla gun-cotton Halley's method heat illustrated inches insects instance interesting Journal Jupiter known latisternal apes Lemur length less light maps matter maxillæ means meteors Microscopical mode Monkeys motion nature nearly object observed obtained Orang orbit ordinary organs paper parasites pass pistil plants plates Pleistocene pollen portion present produced Professor recent remarkable resemblance rocks Royal says scientific seen ship snakes Society species specimens Spider Monkeys stamens structure surface telescope tion torpedoes venomous snakes vessel volume wire XII.-NO