420

Light on branches and leaves.

That part of the body will be most illuminated which is hit by the luminous ray coming between right angles.

[Footnote: See Pl. XXVIII, No. 1.]

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

419 * 421

VII * X

Notebooks of Leonoardo da Vinci

VIII: Botany for Painters and Elements of Landscape Painting.

. . .

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,

432,

433,

434

A classification of trees according to their colours.

435

The proportions of light and shade in trees.

436,

437,

438,

439,

440

. . .