Some Spring Days in Iowa (Dodo Press)

"Up and down the river the willow leaves are just unfolding, bordering the stream with tender green. The tassels of the pussy willows, which were white in March, are now rosy and gold, due to the development of the anthers. The aspens at the front of the wood are thickly hung with the long yellowish-white tassels and look like masses of floss silk among the tops of the darker trees."