Purple Thistles in Bloom.Dimensions: 11" x 14"This original 1967 botanical illustration depicts a cluster of wild thistles in a style characteristic of mid to late 20th century expressive realism. The artist, D. Smack, utilizes a masterful "pen and wash" technique; the delicate, needle like thorns and serrated leaves are defined by confident, rapid ink strokes, while the floral crowns are brought to life with concentrated bursts of violet watercolor. The background features broad, gestural sweeps