Karl Knaths' 'Lilac' presents an abstracted floral still life rendered in a modernist vocabulary of bold color and expressive form. The composition features a vase of flowers set against a vibrant blue ground, with blooms suggested through gestural passages of deep purple, red, and green paint. Knaths employs a flattened picture plane and simplified shapes characteristic of early twentieth-century modernism, while maintaining a lyrical quality in his handling of the paint. The work exemplifies the Cape Cod school's engagement with both European modernist principles and the sensory experience of New England light and landscape.