398

The law of proportion in the growth of the branches.

OF THE SCARS ON TREES.

The scars on trees grow to a greater thickness than is required by the sap of the limb which nourishes them.

Taken from The Notebooks of Leonardo da Vinci edited by Jean Paul Richter, 1880.

Classification of trees.

The relative thickness of the branches to the trunk.

394,

The law of proportion in the growth of the branches.

396,

397,

398,

399,

400,

401,

The direction of growth.

403,

404,

405,

406,

The forms of trees.

408,

409,

410,

The insertion of the leaves.

412,

413,

414,

415,

416,

417,

. . .