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The manual consists of two major parts, one wholly photographic except for legends and a few explanatory remarks, and the other primarily textual. The pictorial part is given priority by being the larger and by being placed first. The photographs, most of which are magnified, usually show several views of each seed in detail. The superior effectiveness of pictures suggested setting life-sized silhouettes within the plates themselves, so that the reader could receive an image of the seed`s real size at once, and need not attempt the difficult feat of translating numerical magnifications into spatial terms. Again in accord with the visual principle, the textual part of the manual is amply illustrated with 288 figures in the form of line drawings and diagrams, and the generic descriptions are accompanied by references to the corresponding places.
In the first part of the book, headed Seed Photographs the photographs are organized systematically within eight plant categories, grouped in three ecological sections with the headings of Farmlands, Wetlands and Woodlands.
In addition, the information on the generic and family traits of seeds will be serviceable in guiding him to the proper systematic starting point; and in this connection the clues on internal morphology should prove especially helpful. ISBN - 9788172336226
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Pages : 221
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