_Of the Root._
The _Skin_ hereof, its Original. 37. The _Cortical Body_, its Original.
37. Description. 37, 38. _Pores._ 38. _Proportions._ 39. The _Lignous
Body_, its Original. 39. Described by its _Pores_, 40. Its Proportions.
42. The _Insertment_, its original. 42. Description. 43. Pores. 43.
Number and size. 44. A fuller description hereof, with that of the
Osculations of the _lignous Body_. 44, 45. The _Pith_, its original
sometimes from the _Seed_. 46. Sometimes from the _Cortical Body_. 47,
49. Its _Pores_. 49. _Proportions_. 49, 50. _Fibres_ of the _lignous
Body_ therein. 50. The _Pith_ of those _Fibres_. 51.
How the _Root_ grows, and the use of the _Skin_, _Cortical_ and _lignous
Body_ thereto. 51, 54. How it groweth in length. 55. By what means it
descends. 56, 57. How it grows in breadth. 58. And the _Pith_ how thus
framed. 59. The use of the _Pith_. 60, 61. Of the _Insertment_. 61, 62.
The joint service of all the Parts. 63, 65.