Reading19-1 (dragged)

Reading19-1 (dragged) - Reading 19-1 1 READING 19-1 Source:...

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1 Reading 19-1 READING 19-1 Source: English translation of Thoephrastus: De causis plantarum by Benedict Einarson and George K.K. Link. 1976. William Heinemann, London. Theophrastus The Modes of Propagation in Woody and Herbaceous Plants We must study the modes of generation of these in the light of the same considerations, laying it down that the mode most common to all is generation from seed. Still here too several modes occur, and we must distinguish the groups as they touch on the groups that have been discussed. So with the mode under discussion, generation from the root. Some not only send up shoots from the roots spontaneously, but are also propagated from these by growers, as bulbous plants and in general all with a thick and f eshy root. But no such root should also have a watery f uid, as turnip and radish, since these roots dry out easily and are too weak to survive. The root instead must either have several coats together with a certain viscosity (as in purse-tassel and squill), or else be quite succulent and with plenty of f esh (as in fresh sweet marjoram, narcissus and plants of the same kind). For only such roots as these can be planted
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This note was uploaded on 11/18/2011 for the course HIST 302 taught by Professor Jensic during the Summer '10 term at Purdue.

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