Wild Flowers Worth Knowing, by Neltje Blanchan, Part 2
Boring Books for Bedtime Readings to Help You Sleep
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The Pink Lady Slipper Orchid
Cross-fertilization, says Darwin, results in offspring which vanquished the offspring of self-Fertilization. This has been the motto of the orchid family for ages. No group of plants has taken more elaborate precautions against self-pollination than this pink lady slipper. It is becoming rarer every year until finding one becomes event of a day's walk. Once it was the commonest of the orchids.
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