THE CONTENTS.

The FIRST PART.

CHAP. I.

OF the Original of Roots, §. 1, 2, 3. Of their Figures, 4, to 8. Of their Motions, 9, to 15. And of their Ages, 16, to the end.

CHAP. II.

OF the Skin. Its external Accidents, and Original, §. 1, 2. Compounding Parts. Whereof the one Parenchymous, 3. The other Lignous, 4, to the end.

CHAP. III.

OF the Barque. Its Original and external Accidents, §. 1. Size, 2. Compounding Parts: Whereof the one Parenchymous, 3. The Bladders of the Parenchyma, 4, 5, 6. The Diametral Portions, 7, to 11. The other Part, Lignous, consisting of long Pipes or Vessels, 12, to 17, Of several Kinds, 18, to 23. In different Proportion, 24, 25. And in different and elegant Position. 26, to the end.

CHAP. IV.

OF that Part of the Root next within the Bark; in Trees and Shrubby Plants, called the Wood. Hereof the Parenchyma, §. 1, 2, 3, & 7. The Lignous Portion: of which, the Sap-Vessels, 4. The Aer-Vessels, 5, 6. The Position of the Former, 8, 9. Of the Latter, 10, 11, 12. Their Proportion, 13, 14, 15. The Latter, sometimes a little tapering. 16. Their Texture, 17, to 22. Content, 23.

CHAP. V.

OF the Pith. Found in the upper part of most Roots, §. 1. Its size and shape, 2. Sap-Vessels, 3. Original, 4, 5. Bladders, 6, Fibres and Texture, 7, to 11. That of the Insertions and Barque the same, 12. Hence, the Original of the Aer-Vessels conjectured, 13. What the whole Body of a Root, concluded, 14, 15. The Contents of the Pith, 16.