- NLM Digital Collections - On the origin of species by means of natural selection, or, The preservation of favoured ...Publication: New York : D. Appleton and Company, MDCCCLX... I examined had been effectually fertilised by the bees, accidentally dusted with pollen, having flown from tree to tree in search ... of the corolla, so as to push the pollen on to the stigmatic surface. Hence, again, if humble-bees were to become rare in any country, it ...
- ... fertilized, they slowly develop into seeds. The upper Pollen earned from another (lower by, a bee to the top of pistil • .Pollen containing a / sperm' or male cell Pidil fSUraeny ...
- NLM Digital Collections - Biological formsPublication: New Haven : Osborn Zoölogical Laboratory, Yale University, 1922... the various substances from the flowers, the worker Bees incidentally mix the pollen of various flowers, and thereby 128 Biological Forms. ... tion to the nectar for honey manufacture, the Bees gather great quantities of pollen grains. These make a very rich food, and ...
- NLM Digital Collections - On the rôle of insects, arachnids, and myriapods as carriers in the spread of bacterial and ....Publication: Baltimore, Md., U.S.A. : Printed by the Friedenwald Company, [1899?]... sect, and the latter carries them about as bees do pollen. In the last set of experiments, he only ...
- NLM Digital Collections - A compendium of the course of chemical instruction in the Medical Department of the ...Publication: Philadelphia : Auner, 1840-43... bees-wax was supposed to arise from the pollen of flowers swallowed and excreted by bees; but it has been proven that the wax ...
- NLM Digital Collections - Lectures on clinical medicine (Volume 1)Publication: Philadelphia : Lindsay & Blakiston, 1873... eyes have seen, as it were, the industrious bee return charged with honey and pollen to build the hexagonal cells; they have seen a bee larger than the rest surrounded by general solicitude, ...
- ... into the honey cells. The “bread” of the bee is the pollen, which it gathers and carries home in the ... rose, do not produce nectar at all, only pollen. The fragrance of such flowers ... than the flowers. Wild bees make their homes in hollow trees and rock ...
- ... grass pollen, grain pollen and weed pollen, tree pollen, dust mites, and wasp and bee venom . It is also possible to do immunotherapy ...
- ... grass pollen, grain pollen and weed pollen, tree pollen, dust mites , and wasp and bee venom . It is also possible to do immunotherapy ...
- NLM Digital Collections - Keeping in condition : a handbook on training for older boysPublication: New York : The Macmillan Company, 1915... stamens, in the swollen ends of which the pollen grows (see Figure 7). As the bee works from one TRAINING AND RACE PROGRESS 87 flower to another, accidentally, as far as it is concerned, it gets pollen on its body. When it flies to another ...
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