Camille Pissarro (1830-1903): Vegetable Garden with Trees in Blossom, Spring, Pontoise, 1877 (Oil painting on canvas, Musee d'Orsay) - Colour, and the technique: Pissarro has quickly applied his brush, heavy with individual colours, to form dashes of pure pigment. The build-up of paint caused by this technique is so thick in parts, particularly in the white blossom, that it stands out in relief from the surface of the picture…