On a recent weekday, Samuel Wright plowed through the scrubby bushes at Crandon Park, passing the stinging nettle, stepping over a prickly pear cactus, and carefully avoiding a poisonwood tree with shiny brown leaves. He wore a white T-shirt printed with a road race logo, tan cargo pants, and a light brown hat. He looked like he was on safari. Though it was midday and the sun was at its brightest, Wright didnít sweat much ó just a little bit around his wire-rim glasses. As a Fairchild Tropical Garden biologist who specializes in restoration of endangered beach habitats, he was well acquainted with the oppressive stickiness of Key Biscayne. Wright abruptly stopped walking when he reached a small, sandy clearing in the brush. He bent down to examine a plant that resembled a cross between a fern and a weed. "Here's one," he said, pointing at a coontie plant (which is much more fun to say th... More >>>