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.
Trout Lily.
Erythronium americanum. Lily Family. Apr. - May.
Found in moist woods, brooksides. New Brunswick to Florida, west to Mississippi, Minnesota and Arkansas.
Lily-like, 6 divisions, yellow, more or less tinged with brown-purple on the outside, borne on stalk 6 - 12 inches high.
2 from the base, green, or mottled with brown-purple.

Yellow Adder's Tongue.
 
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