Elements of agriculture and vegetation. To which is added, an appendix, for the use of practical farmers / [George Fordyce].

  • Fordyce, George, 1736-1802.
Date:
1796
Catalogue details

Licence: Public Domain Mark

Credit: Elements of agriculture and vegetation. To which is added, an appendix, for the use of practical farmers / [George Fordyce]. Source: Wellcome Collection.

    76/122 (page 72)
    \ / * r - * ^ _ * • '* ft • • , . , a ' •,> y *» , PART in. # The Struc TURE and O ECONOMY of VEGETABLES, neceflary to be known in Agriculture. ^jpHE principal VefTels of Plants are of two ^ Kinds, Tubes and Cells. The TUBES run from the Roots to the dif- ferent Parts of the Plant in feparate Bundles, communicating with one another, but not join- ing and branching, as in Animals. Thefe Tubes contain principally the mucila- ginous and facharine Juices, ferving for the Nourifhment of the Vegetable. The Tubes being capillary, if empty, and emerfed in Water, or any other Fluid, have a Power of filling theinfelves by the Attraction of their Sides to the Fluid but this Attraction will produce no further Effect, nor by any means account for the Circulation in Vegeta- bles : There is therefore a Power fimilar to the mufcular Power in Animals, by which this Motion