Sentence:  Breezes blowing from beds of iris quickened her breath with their perfume; she saw the tufted lilacs sway in the wind, and the streamers of mauve-tinted wistaria swinging, all a-glisten with golden bees; she saw a crimson cardinal winging through the foliage, and amorous tanagers flashing like <WSD>scarlet</WSD> flames athwart the pines. 
Meaning of the word marked with <WSD> tags:  Of a bright red colour.