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.
Mitella diphylla. Saxifrage Family. Apr. - May.
Found in rich woods. Quebec to North Carolina, west to Minnesota and Missouri.
White, tiny, on stalk 8 - 16 inches high.
Lower leaves coarsely toothed; 2 opposite leaves borne halfway up the flower stalk; hairy.

Mitrewort.
M. nuda.
Resembles preceding. Flowers greenish and few. No leaves on flower stalk. Found in cool, mossy woods. Labrador to New York, Michigan, Minnesota and northward.
 
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