Flower such as the "Sarracenia" or lady-slipper orchids, have elaborate designs to ensure pollination while preventing self-pollination. "Anemophilous": flowers use the wind to move pollen from one flower to the next, examples include the grasses, Birch trees, Ragweed and Maples. They have no need to attract pollinators and therefore tend not to grow large blossoms. Whereas the pollen of entomophilous flowers tends to be large-grained, sticky, and rich in protein (another "reward" for pollinators), anemophilous flower pollen is usually small-grained, very light, and of little nutritional value to insects, though it may still be gathered in times of dearth. Honeybees and
Silver Slipper The casino was known for its rotating slipper that sat atop the casino. In April 1964, the casino became the first in Nevada to be shut down on cheating charges. Agents raided the Silver Slipper for using "flat" dice and for having other rigged games. On April 30, 1968, the Silver Slipper was purchased by businessman Howard Hughes for $5.4 million in his famous spending spree of buying Vegas properties, which included the Frontier next door. He purchased the casino because he was afraid that the toe of the slipper, that faced the window of his Desert Inn penthouse, could