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Columns


Columns



Leon Kreitzman in http://opinionator.blogs.nytimes.com/2009/04/28/guest-column-lets-hear-it-for-the-bees/ writes:
In “Philosophia Botanica” (1751), the great taxonomist Carl Linnaeus proposed that it should be possible to plant a floral clock. He noted that two species of daisy, the hawk’s-beard and the hawkbit, opened and closed at their respective times within about a half-hour each day. He suggested planting these daisies along with St. John’s Wort, marigolds, water-lilies and other species in a circle. The rhythmic opening and closing of the plants would be the effective hands of this clock.

tfh
tfh 2009
tfh

Tropical Fish Hobbyist

I wrote for TFH for a few years about killifish, aquatic plants and fishkeeping in general. I have copies here of all of that stuff.