411

The forms of trees.

The bough of the walnut which is only hit and beaten when it has brought to perfection...

[Footnote: The end of the text and the sketch in red chalk belonging to it, are entirely effaced.]

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

410 * 412

VII * X

Notebooks of Leonoardo da Vinci

VIII: Botany for Painters and Elements of Landscape Painting.

. . .

Classification of trees.

393

The relative thickness of the branches to the trunk.

394,

395

The law of proportion in the growth of the branches.

396,

397,

398,

399,

400,

401,

402

The direction of growth.

403,

404,

405,

406,

407

The forms of trees.

408,

409,

410,

411

The insertion of the leaves.

412,

413,

414,

415,

416,

417,

418,

419

Light on branches and leaves.

420,

421,

422

The proportions of light and shade in a leaf.

423,

424,

425,

426

Of the transparency of leaves.

427,

428,

429

The gradations of shade and colour in leaves.

430,

431

. . .