CONTRIBUTIONS TO THE NATURAL THEOLOGY OF THE VEGETABLE KINGDOM.

By Robert Dickson, M.D., F.L.S.

No. XI. Pt. 1.

"Lo! the oak that hath so long a nourishing

From the time that it 'ginneth first to spring,

And hath so long a life, as we may see,

Yet at the last wasted is the tree."