 | Mathematics - 1806 - 604 pages
...vessels as were sufficient to preserve life. In this position I conceived that if their leaves and stems contained any unemployed true sap, it could not readily...component matter, exists previously either in the stems or leaves ; and that it subsequently descends into the earth : and as the cortical vessels during every... | |
 | Physics - 1806 - 836 pages
...stems contained any unemployed true sap, it could not readily find its way to the tuberous roots, it* passage being obstructed by the rupture of the vessels,...component matter, exists previously either in the stems or leaves ; and that it subsequently descends into the earth ; and as the cortical vessels, during every... | |
 | William Nicholson - Science - 1806 - 884 pages
...the vessels, and by gravitation ; and I had soon the pleasure to see that, instead of re-* turning down the principal stem into the ground, it remained...the depending branches. The preceding facts are, I thij,k, sufficient to prove that the Hence the {ufluid, from which the tuberous root of the potatoe,... | |
 | Repertory of arts, manufactures and agriculture - 1807 - 528 pages
...vessels as were sufficient to preserve life. In this position I conceived that if their leaves and stems contained any unemployed true sap, it could not readily...matter, exists previously either in the stems or. leaves ; and that it subsequently descends into the earth : and as Jthe cortical vessels, during every... | |
 | John Aikin - 1807 - 696 pages
...sufficient to preserve life. In these the sap, instead of returning down the principal stem into the ground, remained and formed small tubers at the base of the leaves of the depending branches. These experiments clearly prove the possibility of making the potatoe plant produce tubers on even-... | |
 | Royal Society (Great Britain) - Electronic journals - 1832 - 564 pages
...life. The result was, that the true sap, instead of returning down the principal stem into the ground, remained, and formed small tubers at the base of the leaves of the depending branches. To ascertain whether the tubers would be fed when the passage of the true sap down the cortical vessels... | |
 | Royal Society (Great Britain) - Electronic journals - 1832 - 550 pages
...life. The result was, that the true sap, instead of returning down the principal stem into the ground, remained, and formed small tubers at the base of the leaves of the depending branches. To ascertain whether the tubers would be fed when the passage of the true sap down the cortical vessels... | |
 | Thomas Andrew Knight - 1841 - 406 pages
...vessels as were sufficient to preserve life. In this position_I conceived that if their leaves and stems contained any unemployed true sap, it could not readily...component matter, exists previously either in the stems or leaves ; and that it subsequently descends into the earth : and as the cortical vessels during every... | |
 | Thomas Andrew Knight - Horticulture - 1841 - 410 pages
...vessels as were sufficient to preserve life. In this position I conceived that if their leaves and steins contained any unemployed true sap, it could not readily...component matter, exists previously either in the stems or leaves ; and that it subsequently descends into the earth : and as the cortical vessels during every... | |
 | Edmund Burke - History - 1808 - 1408 pages
...its passage being obstructed by the rupture of the vessels, and by gravitation ; and I had soon ihe pleasure to see, that, instead of returning down the...component matter, exists previously either in the stems or leaves ; and that it subsequently descends into the earth ; and as the cortical vessels during every... | |
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I conceived that if their leaves and stems contained any unemployed true sap, it could not readily find its way to the tuberous roots, its passage being obstructed by the rupture of the vessels, and by gravitation; and I had soon the pleasure to see that... 
