421

Light on branches and leaves.

Young plants have more transparent leaves and a more lustrous bark than old ones; and particularly the walnut is lighter coloured in May than in September.

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

420 * 422

VII * X

Notebooks of Leonoardo da Vinci

VIII: Botany for Painters and Elements of Landscape Painting.

. . .

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

of the spectator.

441

. . .