Pickerelweed — Framed PiecePickerelweed in a summer marsh the purple flower spikes rising from heart shaped leaves still beaded with rain, a damselfly perched at the top, the whole composition dissolved at the edges into the atmospheric blue green of the water around it. This 1964 painting is among Glen's most luminous early botanical works: the Pickerelweed rendered with complete precision at centre, the background impressionistic and atmospheric, the result a painting that is