Page:Philosophical Transactions - Volume 003.djvu/175

 Whether what so ascends, ascends by the outward or inward part of it?

5. Whether, if a Zone of about two or three inches be cut off about the bottom of a branch, that branch will dye, or cast its leaves, or bleed out a Juyce from the upper or lower part of the bark so cut, or be apt to shoot out leaves or branches or knobs either above or below that baring?

6. What the use of the Pith is? Whether the Juyce ascend or descend by it? And what effects will follow, if the Trunk be bored to the pith, and a pegg droven hard into the hole of the pith both above and below? This to be tryed in the most pithy Plants?

7. Whether the Points or Ends of the Roots being cut off, the Roots will bleed as copiously, as Branches of the Trunks do, when bored?

8. What side of the Tree affords most sap?

9. Of what Age Trees afford most Sap?

10. What are the best Seasons of the Year for taking the Sap of every kind of Tree in greatest quantity; and how long that season lasteth?

11. Whether the Sap comes more copiously at one time of the day or night, than another?

12. Whether Trees afford any considerable Juyce in the Fall?

13. What effect, copiousness or scarcity of Rain hath upon the saps of Trees?

14. Whether or no the nature of a Tree may be changed by applications of Juyces or Liquors to the Roots or other parts?

15. Whether a Tree, whose Root is cover'd from Rain, and not water'd, if the branches of it be expos'd to the Air, will grow?

16. Whether inoculated Roots of a Tree will grow?

17. How short the Arms of the Roots of a Tree maybe cut, and the Tree still grow?

18. How deep the several kinds of Trees are to be set in the ground to grow? Rh