This section is from the book "Who's Who Among The Wild Flowers", by W. I. Beecroft. Also available from Amazon: A Field Guide to Edible Wild Plants.
Viola rotundifolia. Violet Family. Apr. - May. Found in woodlands. A plant 2 - 4 inches high. New England to Georgia.
Yellow, with purplish veins, small, side divisions bearded.
Round or long heart-shaped, indistinctly toothed.
Viola pubescens. Violet Family. Apr. - May.
An erect leafy plant 6 - 15 inches high, common in dry woodlands. Maine to Ontario, south to Maryland and Kansas.
Golden yellow, with purplish veins, borne on stalks from the leaf angles.
Broadly heart-shaped, somewhat toothed. Plant stem and leaves slightly downy.
 
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