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| | Botany, Roses, Orchids, Wildflowers, Botanical Rare & Out of Print Books |
 | | The orchid family graphically demonstrates that cross-fertilization is necessary to create new genetic material, which by means of natural selection will evolve and adapt to an available environment.' The book describes the relationship between sexual structures of orchids and the insects which fertilise them and attributes their evolution to natural selection. |
 | | These are the botanical results of a biological exploration of Lower California carried out in 1905 and 1906 by E. Nelson and Goldman, of the Bureau of Biological Survey, US Department of Agriculture, giving lists of plants, notes on distribution, descriptions, ecological and economic data, and technical descriptions of three new species of oak. |
 | | Vancouver, The Botanical Garden University of British Columbia, 1979, First edition, oblong 4to [20.5 x 25 cm]; xv, 116 pp, numerous illus in color and fl and white from paintings, bibliog, orig pictorial heavy paper wraps, pictorial endpapers, minor rubbing, interior is clean and near fine, unmarked. |
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