Complex sentence: Fouquier was, notwithstanding these foibles, a distinguished painter of landscapes; his pencil is free and firm, and his colour, both in oil and in fresco, is clear and fresh, though occasionally cold, and too green.
Split into simpler sentences: Fouquier was, notwithstanding these foibles, a distinguished painter of landscapes. His pencil is free and firm, and his colour, both in oil and in fresco, is clear and fresh, though occasionally cold, and too green.