401

The law of proportion in the growth of the branches.

In starting from the main stem the branches always form a base with a prominence as is shown at a b c d.

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,

418,

Light on branches and leaves.

420,

. . .