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 pedata.
Violet Family. Apr. - June.
Found in open, sunny fields and slopes. Massachusetts to Minnesota and southward.
Largest of all the violets, blue-violet or lilac, orange center conspicuous, borne on stalk 4 - 10 inches high.
Variously divided and toothed.

Bird-foot Violet.
 
Continue to: