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.
Snake-head: Shell-flower: Cod-head. Chelone glabra.
Figwort Family. July - Sept.
Found in wet ground. Newfoundland to Florida and Texas, west to Mississippi and Minnesota.
White or tinged with pink, terminating stem 1 - 3 feet high.
Opposite, toothed.
Turtlehead.
 
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