This section is from the book "Harper's Guide To Wild Flowers", by Caroline A. Creevey. Also available from Amazon: Harper's Guide To Wild Flowers.
Petals, linear, not longer than the sepals, spreading, 2 on each side, approaching one another in the form of the letter X or the cross of St. Andrew. A lower plant than the last, with narrower and thinner leaves.
Found in wet or dry sand in Nantucket, Massachusetts to Florida, and far westward. In mountains of Virginia, 2,800 feet high. Low, shrubby, much branched.
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