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.
Medeola virginiana.
Lily Family. May - June.
A plant 1 - 3 feet high, found in rich woods.
New Brunswick to Minnesota, south to Gulf States.
Greenish yellow, few at summit of stem. Berries purple-black.
In 2 whorls; lower whorl of 5-9 leaves, upper whorl of 3 - 5 smaller leaves. Rootstock white, with slight cucumber flavor.

Indian Cucumber-root.
 
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