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| | Milkwort, Purple Polygala - Flowers |
 | | Plants of this genus were named polygala, the Greek for much milk, not because they have milky juice—for it is bitter and clear—but because feeding on them is supposed to increase the flow of cattle's milk. |
 | | In sandy swamps, especially near the coast from Maine to the Gulf, and westward to the Mississippi, grows the Marsh or Cross-leaved Milkwort (P. cruciata). |
 | | Most of its leaves, especially the lower ones, are in whorls of four, and from July to September its dense, bright purple-pink, white, or greenish flower-heads, the wings awn-pointed, are seated on the ends of the square branching stem of this low, mossy little plant. |
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